./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:15:02,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:15:02,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:15:02,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:15:02,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:15:02,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:15:02,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:15:02,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:15:02,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:15:02,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:15:02,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:15:02,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:15:02,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:15:02,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:15:02,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:15:02,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:15:02,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:15:02,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:15:02,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:15:02,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:15:02,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:15:02,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:15:02,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:15:02,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:15:02,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:15:02,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:15:02,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:15:02,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:15:02,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:15:02,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:15:02,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:15:02,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:15:02,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:15:02,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:15:02,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:15:02,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:15:02,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:15:02,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:15:02,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:15:02,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:15:02,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:15:02,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:15:02,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:15:02,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:15:02,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:15:02,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:15:02,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:15:02,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:15:02,974 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:15:02,974 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:15:02,974 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:15:02,975 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:15:02,976 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:15:02,976 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:15:02,977 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:15:02,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:15:02,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:15:02,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:15:02,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:15:02,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:15:02,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:15:02,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:15:02,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:15:02,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:15:02,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:15:02,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:15:02,982 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:15:02,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:15:02,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:15:02,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:15:02,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:15:02,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:15:02,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:15:02,985 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:15:02,986 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2022-11-16 12:15:03,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:15:03,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:15:03,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:15:03,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:15:03,398 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:15:03,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2022-11-16 12:15:03,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/data/21791aadc/d5dbc44466d64a56ab658ff3d1ea8947/FLAG6d8b432f3 [2022-11-16 12:15:04,201 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:15:04,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2022-11-16 12:15:04,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/data/21791aadc/d5dbc44466d64a56ab658ff3d1ea8947/FLAG6d8b432f3 [2022-11-16 12:15:04,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/data/21791aadc/d5dbc44466d64a56ab658ff3d1ea8947 [2022-11-16 12:15:04,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:15:04,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:15:04,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:15:04,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:15:04,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:15:04,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:04" (1/1) ... [2022-11-16 12:15:04,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7e07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:04, skipping insertion in model container [2022-11-16 12:15:04,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:04" (1/1) ... [2022-11-16 12:15:04,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:15:04,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:15:05,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:15:05,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:15:05,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:15:05,148 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:15:05,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05 WrapperNode [2022-11-16 12:15:05,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:15:05,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:15:05,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:15:05,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:15:05,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,199 INFO L138 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-16 12:15:05,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:15:05,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:15:05,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:15:05,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:15:05,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:15:05,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:15:05,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:15:05,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:15:05,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (1/1) ... [2022-11-16 12:15:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:05,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:05,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:05,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:15:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:15:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:15:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:15:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:15:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:15:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:15:05,517 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:15:05,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:15:05,738 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:15:05,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:15:05,761 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:15:05,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:05 BoogieIcfgContainer [2022-11-16 12:15:05,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:15:05,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:15:05,765 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:15:05,785 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:15:05,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:15:05,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:15:04" (1/3) ... [2022-11-16 12:15:05,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ca68a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:15:05, skipping insertion in model container [2022-11-16 12:15:05,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:15:05,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:05" (2/3) ... [2022-11-16 12:15:05,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ca68a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:15:05, skipping insertion in model container [2022-11-16 12:15:05,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:15:05,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:05" (3/3) ... [2022-11-16 12:15:05,791 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-1.i [2022-11-16 12:15:05,889 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:15:05,889 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:15:05,889 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:15:05,890 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:15:05,890 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:15:05,890 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:15:05,890 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:15:05,891 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:15:05,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:05,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-16 12:15:05,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:05,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:05,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:15:05,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:15:05,929 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:15:05,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:05,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-16 12:15:05,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:05,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:05,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:15:05,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:15:05,943 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 18#L516true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16#L516-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12#L518true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13#L519-3true [2022-11-16 12:15:05,944 INFO L750 eck$LassoCheckResult]: Loop: 13#L519-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 14#L521true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 8#L521-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9#L519-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13#L519-3true [2022-11-16 12:15:05,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:05,952 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-16 12:15:05,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:05,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043131977] [2022-11-16 12:15:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:06,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2022-11-16 12:15:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:06,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517478618] [2022-11-16 12:15:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:06,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2022-11-16 12:15:06,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:06,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222378557] [2022-11-16 12:15:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:06,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:06,930 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:06,931 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:06,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:06,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:06,932 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:06,932 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:06,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:06,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:06,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration1_Lasso [2022-11-16 12:15:06,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:06,934 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:06,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:07,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:07,845 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:07,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:07,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:07,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:15:07,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:07,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:07,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:07,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:07,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:07,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:07,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:07,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:07,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:07,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:07,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:07,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:07,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:07,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:07,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:07,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:07,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:15:07,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:07,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:07,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:07,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:07,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:07,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:07,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:07,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:07,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:15:07,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:07,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:07,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:07,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:08,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:08,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:08,031 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:08,093 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-16 12:15:08,093 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-16 12:15:08,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:08,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:08,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:08,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:08,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:15:08,133 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:15:08,134 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:08,134 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~arr~0#1.offset >= 0] [2022-11-16 12:15:08,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:08,165 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 12:15:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:08,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:15:08,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:08,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:15:08,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:08,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:08,491 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 12:15:08,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:08,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 57 transitions. Complement of second has 9 states. [2022-11-16 12:15:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2022-11-16 12:15:08,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 12:15:08,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:08,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-16 12:15:08,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:08,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-16 12:15:08,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:08,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 57 transitions. [2022-11-16 12:15:08,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:15:08,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 15 states and 20 transitions. [2022-11-16 12:15:08,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:08,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:15:08,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-16 12:15:08,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:15:08,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:15:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-16 12:15:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 12:15:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-16 12:15:08,711 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:15:08,711 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:15:08,713 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:15:08,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-16 12:15:08,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:15:08,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:08,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:08,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:08,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:15:08,716 INFO L748 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 144#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 149#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 145#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 146#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 147#L519-4 main_~j~0#1 := 0; 136#L526-3 [2022-11-16 12:15:08,717 INFO L750 eck$LassoCheckResult]: Loop: 136#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 140#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 139#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 135#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 136#L526-3 [2022-11-16 12:15:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2022-11-16 12:15:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:08,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966161190] [2022-11-16 12:15:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:08,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:08,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966161190] [2022-11-16 12:15:08,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966161190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:15:08,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:15:08,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:15:08,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320958518] [2022-11-16 12:15:08,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:15:08,918 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:08,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:08,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2022-11-16 12:15:08,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:08,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932750941] [2022-11-16 12:15:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:08,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:08,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:09,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:09,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:15:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:15:09,008 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:09,060 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-16 12:15:09,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-16 12:15:09,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:15:09,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-11-16 12:15:09,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:09,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:15:09,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-16 12:15:09,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:15:09,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-16 12:15:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-16 12:15:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-11-16 12:15:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-16 12:15:09,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 12:15:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:15:09,078 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 12:15:09,078 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:15:09,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-16 12:15:09,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:15:09,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:09,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:09,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:09,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:15:09,082 INFO L748 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 184#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 189#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 185#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 186#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 187#L521 assume !(main_~val~0#1 < 0); 181#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 182#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 183#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 188#L519-4 main_~j~0#1 := 0; 176#L526-3 [2022-11-16 12:15:09,088 INFO L750 eck$LassoCheckResult]: Loop: 176#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 177#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 175#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 176#L526-3 [2022-11-16 12:15:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2022-11-16 12:15:09,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:09,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539004516] [2022-11-16 12:15:09,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:09,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2022-11-16 12:15:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:09,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013419023] [2022-11-16 12:15:09,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:09,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:09,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2022-11-16 12:15:09,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:09,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619413831] [2022-11-16 12:15:09,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:09,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:09,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:09,687 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:09,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:09,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:09,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:09,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:09,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:09,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:09,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:09,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration3_Lasso [2022-11-16 12:15:09,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:09,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:09,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:09,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:10,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:10,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:10,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:10,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:10,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:10,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:15:10,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:10,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:10,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:10,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:10,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:10,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:10,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:10,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:10,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:10,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:10,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:10,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:10,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:15:10,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:10,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:10,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:10,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:10,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:10,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:10,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:10,654 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 12:15:10,654 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 12:15:10,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:10,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:10,661 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:10,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:15:10,687 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:10,687 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:10,687 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-16 12:15:10,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:10,717 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-16 12:15:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:10,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:15:10,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:10,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:15:10,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:10,835 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:15:10,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:10,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 26 transitions. Complement of second has 4 states. [2022-11-16 12:15:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-16 12:15:10,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-16 12:15:10,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:10,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-16 12:15:10,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:10,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-16 12:15:10,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:10,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2022-11-16 12:15:10,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:10,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2022-11-16 12:15:10,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:10,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:15:10,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-16 12:15:10,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:10,886 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-16 12:15:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-16 12:15:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-16 12:15:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-16 12:15:10,891 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-16 12:15:10,892 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-16 12:15:10,892 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:15:10,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-16 12:15:10,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:10,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:10,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:10,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:10,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:10,895 INFO L748 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 298#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 303#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 299#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 300#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 301#L521 assume !(main_~val~0#1 < 0); 295#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 296#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 297#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 302#L519-4 main_~j~0#1 := 0; 294#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 291#L527-3 [2022-11-16 12:15:10,895 INFO L750 eck$LassoCheckResult]: Loop: 291#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 290#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 291#L527-3 [2022-11-16 12:15:10,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:10,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2022-11-16 12:15:10,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:10,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959251734] [2022-11-16 12:15:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:10,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:10,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:10,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:10,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2022-11-16 12:15:10,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:10,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409011661] [2022-11-16 12:15:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:10,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:10,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:10,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2022-11-16 12:15:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:10,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801662211] [2022-11-16 12:15:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:10,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:11,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:11,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:11,410 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:11,411 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:11,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:11,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:11,411 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:11,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:11,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:11,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:11,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration4_Lasso [2022-11-16 12:15:11,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:11,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:11,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:11,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:11,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:12,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:12,182 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:15:12,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,222 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:15:12,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:15:12,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,358 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:15:12,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,402 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:15:12,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,451 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:15:12,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,494 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:15:12,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,541 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:15:12,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,604 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:15:12,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,647 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:15:12,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:12,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:12,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:12,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,694 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:15:12,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,754 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:15:12,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:12,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,825 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:15:12,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:12,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:12,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:12,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:12,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:12,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:12,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:12,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:12,907 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:15:12,908 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:15:12,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:12,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:12,909 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:12,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:12,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:15:12,947 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:12,947 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:12,947 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 Supporting invariants [] [2022-11-16 12:15:12,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:12,971 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 12:15:13,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:13,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:15:13,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:13,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:13,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:13,118 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 12:15:13,118 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:13,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2022-11-16 12:15:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-16 12:15:13,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-16 12:15:13,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:13,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 12:15:13,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:13,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-16 12:15:13,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:13,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2022-11-16 12:15:13,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:13,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2022-11-16 12:15:13,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:13,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:13,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-16 12:15:13,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:13,187 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-16 12:15:13,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-16 12:15:13,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-16 12:15:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-16 12:15:13,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-16 12:15:13,196 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-16 12:15:13,196 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:15:13,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-16 12:15:13,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:13,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:13,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:13,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:13,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:13,200 INFO L748 eck$LassoCheckResult]: Stem: 425#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 432#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 438#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 433#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 434#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 435#L521 assume !(main_~val~0#1 < 0); 429#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 430#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 431#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 436#L519-4 main_~j~0#1 := 0; 427#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 424#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 439#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 419#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 420#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 422#L527-3 [2022-11-16 12:15:13,200 INFO L750 eck$LassoCheckResult]: Loop: 422#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 421#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 422#L527-3 [2022-11-16 12:15:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2022-11-16 12:15:13,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:13,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518616751] [2022-11-16 12:15:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:13,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:13,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518616751] [2022-11-16 12:15:13,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518616751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:13,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439474155] [2022-11-16 12:15:13,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:15:13,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:13,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:13,344 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:13,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-16 12:15:13,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:15:13,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:15:13,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:15:13,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:13,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:13,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:13,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439474155] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:13,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:13,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-16 12:15:13,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820927976] [2022-11-16 12:15:13,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:13,645 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:13,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2022-11-16 12:15:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:13,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285402615] [2022-11-16 12:15:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:13,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:13,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 12:15:13,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:15:13,705 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:13,878 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2022-11-16 12:15:13,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2022-11-16 12:15:13,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:13,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2022-11-16 12:15:13,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:13,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:13,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-16 12:15:13,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:13,880 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-16 12:15:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-16 12:15:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-16 12:15:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-16 12:15:13,883 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 12:15:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:15:13,888 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 12:15:13,888 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:15:13,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-16 12:15:13,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:13,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:13,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:13,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:13,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:13,890 INFO L748 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 613#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 619#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 614#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 615#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 616#L521 assume !(main_~val~0#1 < 0); 623#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 611#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 612#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 617#L521 assume !(main_~val~0#1 < 0); 609#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 610#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 622#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 620#L519-4 main_~j~0#1 := 0; 607#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 604#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 621#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 599#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 600#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 602#L527-3 [2022-11-16 12:15:13,890 INFO L750 eck$LassoCheckResult]: Loop: 602#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 601#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 602#L527-3 [2022-11-16 12:15:13,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2022-11-16 12:15:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:13,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794820826] [2022-11-16 12:15:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2022-11-16 12:15:13,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:13,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674927300] [2022-11-16 12:15:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:13,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:13,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2022-11-16 12:15:13,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:14,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046670767] [2022-11-16 12:15:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:14,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:14,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:14,626 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:14,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:14,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:14,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:14,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:14,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:14,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:14,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:14,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration6_Lasso [2022-11-16 12:15:14,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:14,627 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:14,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:14,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:15,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:15,505 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:15,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,515 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:15:15,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:15,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-16 12:15:15,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,554 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:15:15,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:15,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,620 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:15,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:15:15,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:15,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,664 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:15:15,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:15,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,712 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:15:15,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:15,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-16 12:15:15,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,738 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:15:15,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:15,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,766 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:15:15,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-16 12:15:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,786 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:15:15,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 12:15:15,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,804 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:15:15,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-16 12:15:15,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,826 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:15:15,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-16 12:15:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,851 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:15:15,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:15,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:15,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:15,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-16 12:15:15,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,881 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:15:15,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:15,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-16 12:15:15,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,930 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:15,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:15:15,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:15,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-16 12:15:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:15,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:15,971 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:15,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:15:15,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:15,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:15,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:15,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:15,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:15,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:15,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:16,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:16,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:16,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:16,019 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:16,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:16,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:16,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:16,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:16,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:16,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:15:16,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:16,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:16,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:16,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:16,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:16,068 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:16,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:15:16,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:16,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:16,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:16,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:16,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:16,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:16,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:16,101 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:16,117 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:15:16,118 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-16 12:15:16,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:16,121 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:15:16,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:16,142 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:16,142 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:16,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 Supporting invariants [] [2022-11-16 12:15:16,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:16,165 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-16 12:15:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:16,341 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:15:16,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-16 12:15:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:16,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-16 12:15:16,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:16,373 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:16,554 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:15:16,555 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-16 12:15:16,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:16,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-16 12:15:16,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:16,586 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:16,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:16,764 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:15:16,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 10 states. [2022-11-16 12:15:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 33 transitions. [2022-11-16 12:15:16,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-16 12:15:16,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:16,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-16 12:15:16,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:16,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-16 12:15:16,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:16,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-11-16 12:15:16,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:16,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2022-11-16 12:15:16,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:16,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:15:16,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2022-11-16 12:15:16,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:16,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-16 12:15:16,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2022-11-16 12:15:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-16 12:15:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-16 12:15:16,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-16 12:15:16,876 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-16 12:15:16,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:15:16,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-16 12:15:16,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:16,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:16,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:16,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:16,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:16,882 INFO L748 eck$LassoCheckResult]: Stem: 999#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1000#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1007#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1014#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1008#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1009#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1010#L521 assume !(main_~val~0#1 < 0); 1004#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1005#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1006#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1011#L521 assume !(main_~val~0#1 < 0); 1018#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1017#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1016#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1015#L519-4 main_~j~0#1 := 0; 1001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1002#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1020#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1019#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1003#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 998#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1022#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 993#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 994#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 996#L527-3 [2022-11-16 12:15:16,883 INFO L750 eck$LassoCheckResult]: Loop: 996#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 995#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 996#L527-3 [2022-11-16 12:15:16,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2022-11-16 12:15:16,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:16,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870069760] [2022-11-16 12:15:16,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:16,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:17,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:17,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870069760] [2022-11-16 12:15:17,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870069760] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:17,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628634504] [2022-11-16 12:15:17,092 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:15:17,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:17,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:17,094 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:17,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-16 12:15:17,169 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:15:17,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:15:17,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:15:17,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:17,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:17,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628634504] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:17,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:17,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-16 12:15:17,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744742174] [2022-11-16 12:15:17,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:17,419 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2022-11-16 12:15:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:17,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603450747] [2022-11-16 12:15:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:17,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:17,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 12:15:17,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:15:17,493 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:17,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:17,639 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-16 12:15:17,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-16 12:15:17,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:17,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2022-11-16 12:15:17,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:17,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:17,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-16 12:15:17,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:17,641 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-16 12:15:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-16 12:15:17,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-16 12:15:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-16 12:15:17,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-16 12:15:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:15:17,646 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-16 12:15:17,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:15:17,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-16 12:15:17,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:17,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:17,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:17,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:17,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:17,648 INFO L748 eck$LassoCheckResult]: Stem: 1241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1248#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1255#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1249#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1250#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1251#L521 assume !(main_~val~0#1 < 0); 1245#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1246#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1247#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1252#L521 assume !(main_~val~0#1 < 0); 1268#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1267#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1266#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1258#L521 assume !(main_~val~0#1 < 0); 1262#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1260#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1257#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1256#L519-4 main_~j~0#1 := 0; 1243#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1244#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1264#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1235#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1236#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1240#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1263#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1261#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1259#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1238#L527-3 [2022-11-16 12:15:17,648 INFO L750 eck$LassoCheckResult]: Loop: 1238#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1237#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1238#L527-3 [2022-11-16 12:15:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2022-11-16 12:15:17,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:17,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70828808] [2022-11-16 12:15:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:17,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:17,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:17,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2022-11-16 12:15:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:17,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353213011] [2022-11-16 12:15:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:17,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:17,697 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2022-11-16 12:15:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:17,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126611972] [2022-11-16 12:15:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:17,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:17,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:19,006 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:19,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:19,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:19,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:19,006 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:19,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:19,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:19,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:19,007 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration8_Lasso [2022-11-16 12:15:19,007 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:19,007 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:19,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:19,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:20,150 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:20,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:20,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,152 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:15:20,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-16 12:15:20,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,182 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:15:20,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-16 12:15:20,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,210 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:15:20,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,237 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:15:20,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-16 12:15:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,261 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:15:20,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 12:15:20,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,285 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:15:20,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 12:15:20,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,313 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:15:20,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,342 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:15:20,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-16 12:15:20,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,364 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:15:20,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-11-16 12:15:20,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,389 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:15:20,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,422 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 12:15:20,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-16 12:15:20,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,440 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 12:15:20,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,492 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 12:15:20,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:20,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:20,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:20,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-16 12:15:20,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,518 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 12:15:20,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,576 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 12:15:20,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:20,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-16 12:15:20,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,618 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 12:15:20,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:20,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:20,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:20,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:20,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:20,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:20,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:20,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:20,672 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 12:15:20,672 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-16 12:15:20,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:20,673 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:20,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 12:15:20,678 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:20,691 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:20,691 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:20,691 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2 Supporting invariants [] [2022-11-16 12:15:20,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:20,747 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-16 12:15:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:20,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:15:20,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:20,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:21,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:21,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:21,137 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:15:21,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:21,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-16 12:15:21,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-16 12:15:21,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-16 12:15:21,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:21,290 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:21,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:15:21,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:21,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:21,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:21,684 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:15:21,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:21,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-16 12:15:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-16 12:15:21,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-16 12:15:21,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:21,827 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:21,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:15:21,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:22,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:22,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:22,220 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:15:22,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:22,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 100 transitions. Complement of second has 17 states. [2022-11-16 12:15:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 67 transitions. [2022-11-16 12:15:22,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-16 12:15:22,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:22,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 30 letters. Loop has 2 letters. [2022-11-16 12:15:22,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:22,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-16 12:15:22,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:22,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 100 transitions. [2022-11-16 12:15:22,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:15:22,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 93 transitions. [2022-11-16 12:15:22,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:15:22,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:15:22,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 93 transitions. [2022-11-16 12:15:22,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:22,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-16 12:15:22,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 93 transitions. [2022-11-16 12:15:22,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 45. [2022-11-16 12:15:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-16 12:15:22,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-16 12:15:22,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-16 12:15:22,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:15:22,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2022-11-16 12:15:22,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:22,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:22,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:22,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:22,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:22,500 INFO L748 eck$LassoCheckResult]: Stem: 1860#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1861#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1868#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1877#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1869#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1870#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1871#L521 assume !(main_~val~0#1 < 0); 1886#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1882#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1883#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1887#L521 assume !(main_~val~0#1 < 0); 1884#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1885#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1873#L521 assume !(main_~val~0#1 < 0); 1898#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1866#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1867#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1878#L519-4 main_~j~0#1 := 0; 1879#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1895#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1894#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1863#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1859#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1854#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1855#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1890#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1889#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1888#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1857#L527-3 [2022-11-16 12:15:22,500 INFO L750 eck$LassoCheckResult]: Loop: 1857#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1856#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1857#L527-3 [2022-11-16 12:15:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2022-11-16 12:15:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:22,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94285465] [2022-11-16 12:15:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:22,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:22,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94285465] [2022-11-16 12:15:22,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94285465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:22,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472278658] [2022-11-16 12:15:22,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 12:15:22,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:22,703 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:22,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-11-16 12:15:22,792 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-16 12:15:22,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:15:22,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:15:22,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:23,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:23,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472278658] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:23,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:23,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2022-11-16 12:15:23,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986339503] [2022-11-16 12:15:23,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:23,162 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:23,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2022-11-16 12:15:23,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:23,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744656727] [2022-11-16 12:15:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:23,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:23,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 12:15:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:15:23,229 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:23,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:23,409 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-16 12:15:23,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2022-11-16 12:15:23,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:23,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 51 transitions. [2022-11-16 12:15:23,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:23,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:23,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-16 12:15:23,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:23,412 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-16 12:15:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-16 12:15:23,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-16 12:15:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-16 12:15:23,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-16 12:15:23,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:15:23,416 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-16 12:15:23,416 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 12:15:23,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2022-11-16 12:15:23,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:23,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:23,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:23,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:23,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:23,417 INFO L748 eck$LassoCheckResult]: Stem: 2179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2186#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2194#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2187#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2188#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2189#L521 assume !(main_~val~0#1 < 0); 2210#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2209#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2190#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2191#L521 assume !(main_~val~0#1 < 0); 2183#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2184#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2185#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2208#L521 assume !(main_~val~0#1 < 0); 2207#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2206#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2205#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2197#L521 assume !(main_~val~0#1 < 0); 2201#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2199#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2196#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2195#L519-4 main_~j~0#1 := 0; 2181#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2182#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2203#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2173#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2174#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2202#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2200#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2198#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2176#L527-3 [2022-11-16 12:15:23,418 INFO L750 eck$LassoCheckResult]: Loop: 2176#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2175#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2176#L527-3 [2022-11-16 12:15:23,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1539979743, now seen corresponding path program 7 times [2022-11-16 12:15:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:23,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262221754] [2022-11-16 12:15:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:23,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2022-11-16 12:15:23,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:23,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008174663] [2022-11-16 12:15:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:23,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:23,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1843185638, now seen corresponding path program 3 times [2022-11-16 12:15:23,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:23,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672551726] [2022-11-16 12:15:23,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:23,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:24,730 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:24,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:24,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:24,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:24,731 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:24,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:24,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:24,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:24,731 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration10_Lasso [2022-11-16 12:15:24,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:24,731 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:24,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:24,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:25,642 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:25,643 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:25,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,644 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-16 12:15:25,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:25,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:25,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:25,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-16 12:15:25,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,667 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-16 12:15:25,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:25,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:25,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,692 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-16 12:15:25,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:25,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:25,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:25,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-16 12:15:25,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,716 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-16 12:15:25,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:25,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:25,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:25,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-16 12:15:25,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,738 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-16 12:15:25,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:25,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:25,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-16 12:15:25,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,765 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-16 12:15:25,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:25,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:25,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-16 12:15:25,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,796 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-16 12:15:25,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:25,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:25,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:25,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-16 12:15:25,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,817 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-16 12:15:25,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:25,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:25,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:25,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:25,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-16 12:15:25,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,840 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-16 12:15:25,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:25,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:25,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:25,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:25,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:25,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:25,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:25,872 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:25,886 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:15:25,886 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:15:25,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:25,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:25,889 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:25,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-16 12:15:25,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:25,904 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:25,904 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:25,905 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2022-11-16 12:15:25,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-16 12:15:25,934 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-16 12:15:25,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:26,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:15:26,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-16 12:15:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:26,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-16 12:15:26,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:26,189 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:26,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:26,406 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:15:26,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,444 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-16 12:15:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:26,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-16 12:15:26,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:26,447 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:26,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:26,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:26,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-16 12:15:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:26,692 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-16 12:15:26,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 12 states. [2022-11-16 12:15:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-11-16 12:15:26,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-16 12:15:26,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:26,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 34 letters. Loop has 2 letters. [2022-11-16 12:15:26,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:26,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-16 12:15:26,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:26,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-16 12:15:26,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:26,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 49 states and 61 transitions. [2022-11-16 12:15:26,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:26,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:15:26,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2022-11-16 12:15:26,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:26,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-16 12:15:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2022-11-16 12:15:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-11-16 12:15:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-11-16 12:15:26,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-16 12:15:26,808 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-16 12:15:26,808 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-16 12:15:26,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-11-16 12:15:26,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:26,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:26,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:26,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:26,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:26,811 INFO L748 eck$LassoCheckResult]: Stem: 2744#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2745#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2751#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2757#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2752#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2753#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2754#L521 assume !(main_~val~0#1 < 0); 2748#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2749#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2750#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2755#L521 assume !(main_~val~0#1 < 0); 2769#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2768#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2767#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2766#L521 assume !(main_~val~0#1 < 0); 2765#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2764#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2763#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2760#L521 assume !(main_~val~0#1 < 0); 2762#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2761#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2759#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2758#L519-4 main_~j~0#1 := 0; 2746#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2743#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2756#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2738#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2739#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2747#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2779#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2778#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2777#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2776#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2773#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2772#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2770#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2741#L527-3 [2022-11-16 12:15:26,811 INFO L750 eck$LassoCheckResult]: Loop: 2741#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2740#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2741#L527-3 [2022-11-16 12:15:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 8 times [2022-11-16 12:15:26,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:26,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5739296] [2022-11-16 12:15:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:26,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:26,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2022-11-16 12:15:26,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:26,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443567071] [2022-11-16 12:15:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 4 times [2022-11-16 12:15:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:26,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63643858] [2022-11-16 12:15:26,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:26,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:28,808 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:28,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:28,808 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:28,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:28,808 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:28,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:28,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:28,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:28,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration11_Lasso [2022-11-16 12:15:28,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:28,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:28,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:28,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:28,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:28,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:28,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:28,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:29,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:30,052 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:30,052 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:30,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,054 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-16 12:15:30,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:30,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:30,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:30,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-16 12:15:30,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,078 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-16 12:15:30,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:30,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:30,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:30,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,100 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-16 12:15:30,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:30,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:30,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-16 12:15:30,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,127 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-16 12:15:30,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:30,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:30,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,247 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-16 12:15:30,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:30,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:30,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:30,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,298 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-16 12:15:30,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:30,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:30,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:30,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:30,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,343 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:30,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-16 12:15:30,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:30,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:30,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:30,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:30,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:30,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:30,380 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:30,387 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-16 12:15:30,387 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-16 12:15:30,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:30,389 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:30,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:30,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-16 12:15:30,405 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:30,406 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:30,406 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2 Supporting invariants [] [2022-11-16 12:15:30,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-16 12:15:30,460 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-16 12:15:30,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:30,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:15:30,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:30,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:30,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:30,704 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-16 12:15:30,704 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:30,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-16 12:15:30,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:30,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-16 12:15:30,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:30,735 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:30,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:30,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:15:30,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:30,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:30,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:30,960 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-16 12:15:30,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:31,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:31,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-16 12:15:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:31,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-16 12:15:31,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:31,017 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:31,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:15:31,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:31,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:31,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:31,250 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-16 12:15:31,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:31,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 14 states. [2022-11-16 12:15:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2022-11-16 12:15:31,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-16 12:15:31,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:31,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-16 12:15:31,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:31,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-16 12:15:31,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:31,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-16 12:15:31,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:31,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2022-11-16 12:15:31,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:31,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:15:31,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2022-11-16 12:15:31,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:31,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-16 12:15:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2022-11-16 12:15:31,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-11-16 12:15:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-16 12:15:31,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-16 12:15:31,404 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-16 12:15:31,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-16 12:15:31,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2022-11-16 12:15:31,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:31,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:31,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:31,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:31,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:31,414 INFO L748 eck$LassoCheckResult]: Stem: 3384#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3392#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3399#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3393#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3394#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3395#L521 assume !(main_~val~0#1 < 0); 3397#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3390#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3391#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3396#L521 assume !(main_~val~0#1 < 0); 3388#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3409#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3408#L521 assume !(main_~val~0#1 < 0); 3407#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3406#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3405#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3402#L521 assume !(main_~val~0#1 < 0); 3404#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3403#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3401#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3400#L519-4 main_~j~0#1 := 0; 3386#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3383#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3398#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3378#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3379#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3387#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3424#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3423#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3422#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3420#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3419#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3418#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3417#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3416#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3413#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3412#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3410#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3381#L527-3 [2022-11-16 12:15:31,415 INFO L750 eck$LassoCheckResult]: Loop: 3381#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3380#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3381#L527-3 [2022-11-16 12:15:31,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:31,415 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 9 times [2022-11-16 12:15:31,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:31,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120976394] [2022-11-16 12:15:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:31,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:31,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:31,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120976394] [2022-11-16 12:15:31,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120976394] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687618269] [2022-11-16 12:15:31,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:15:31,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:31,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:31,692 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-16 12:15:31,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 12:15:31,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:15:31,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:15:31,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:32,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:32,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687618269] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:32,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:32,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2022-11-16 12:15:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963550358] [2022-11-16 12:15:32,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:32,202 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:32,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:32,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2022-11-16 12:15:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:32,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000325392] [2022-11-16 12:15:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:32,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:32,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:32,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 12:15:32,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:15:32,268 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:32,514 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-11-16 12:15:32,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2022-11-16 12:15:32,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:32,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2022-11-16 12:15:32,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:32,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:32,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2022-11-16 12:15:32,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:32,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-16 12:15:32,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2022-11-16 12:15:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2022-11-16 12:15:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-16 12:15:32,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-16 12:15:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:15:32,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-16 12:15:32,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-16 12:15:32,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2022-11-16 12:15:32,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:32,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:32,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:32,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:32,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:32,524 INFO L748 eck$LassoCheckResult]: Stem: 3778#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3785#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3791#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3786#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3787#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3788#L521 assume !(main_~val~0#1 < 0); 3782#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3783#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3784#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3789#L521 assume !(main_~val~0#1 < 0); 3823#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3822#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3820#L521 assume !(main_~val~0#1 < 0); 3819#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3818#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3817#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3816#L521 assume !(main_~val~0#1 < 0); 3815#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3814#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3813#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3794#L521 assume !(main_~val~0#1 < 0); 3800#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3797#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3793#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3792#L519-4 main_~j~0#1 := 0; 3780#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3777#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3790#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3772#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3773#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3781#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3811#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3810#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3809#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3807#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3806#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3805#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3804#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3803#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3799#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3798#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3795#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3775#L527-3 [2022-11-16 12:15:32,524 INFO L750 eck$LassoCheckResult]: Loop: 3775#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3774#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3775#L527-3 [2022-11-16 12:15:32,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:32,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 10 times [2022-11-16 12:15:32,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:32,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129069530] [2022-11-16 12:15:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:32,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:32,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2022-11-16 12:15:32,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:32,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77468463] [2022-11-16 12:15:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:32,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 5 times [2022-11-16 12:15:32,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:32,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190454452] [2022-11-16 12:15:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:32,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:35,517 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:35,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:35,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:35,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:35,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:35,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:35,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:35,519 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:35,519 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration13_Lasso [2022-11-16 12:15:35,519 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:35,519 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:35,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:36,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:37,222 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:37,222 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:37,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,223 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-16 12:15:37,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:37,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,274 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-16 12:15:37,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:37,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,328 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-16 12:15:37,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-16 12:15:37,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,359 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-16 12:15:37,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-11-16 12:15:37,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,391 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-16 12:15:37,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-11-16 12:15:37,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,423 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-16 12:15:37,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:37,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-11-16 12:15:37,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,454 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-16 12:15:37,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:37,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:37,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:37,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:37,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:37,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:37,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:37,485 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:37,499 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:15:37,499 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:15:37,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:37,503 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:37,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-16 12:15:37,505 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:37,518 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:37,518 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:37,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-16 12:15:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:37,586 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-16 12:15:37,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:37,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:15:37,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:37,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:37,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:37,882 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:15:37,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:37,913 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-16 12:15:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:37,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-16 12:15:37,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:37,915 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:37,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:37,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:15:37,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:38,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:38,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:38,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:38,204 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:15:38,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:38,239 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-16 12:15:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:38,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-16 12:15:38,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:38,241 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:38,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:38,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:15:38,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:38,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:38,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:38,509 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:15:38,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:38,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 89 transitions. Complement of second has 16 states. [2022-11-16 12:15:38,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-16 12:15:38,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-16 12:15:38,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:38,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2022-11-16 12:15:38,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:38,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2022-11-16 12:15:38,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:38,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2022-11-16 12:15:38,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:38,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2022-11-16 12:15:38,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:38,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:15:38,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2022-11-16 12:15:38,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:38,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-16 12:15:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2022-11-16 12:15:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2022-11-16 12:15:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-11-16 12:15:38,675 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-16 12:15:38,675 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-16 12:15:38,675 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-16 12:15:38,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2022-11-16 12:15:38,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:38,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:38,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:38,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:38,678 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:38,678 INFO L748 eck$LassoCheckResult]: Stem: 4541#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4542#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4550#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4557#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4551#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4552#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4553#L521 assume !(main_~val~0#1 < 0); 4555#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4548#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4549#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4554#L521 assume !(main_~val~0#1 < 0); 4546#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4547#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4571#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4570#L521 assume !(main_~val~0#1 < 0); 4569#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4568#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4567#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4566#L521 assume !(main_~val~0#1 < 0); 4565#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4564#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4560#L521 assume !(main_~val~0#1 < 0); 4562#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4561#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4559#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 4558#L519-4 main_~j~0#1 := 0; 4543#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4544#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4590#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4589#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4545#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4540#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4556#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4535#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4536#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4587#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4586#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4585#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4584#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4582#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4581#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4580#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4579#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4578#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4575#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4574#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4572#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4538#L527-3 [2022-11-16 12:15:38,678 INFO L750 eck$LassoCheckResult]: Loop: 4538#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4537#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4538#L527-3 [2022-11-16 12:15:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 11 times [2022-11-16 12:15:38,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:38,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787180608] [2022-11-16 12:15:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:39,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:39,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787180608] [2022-11-16 12:15:39,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787180608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:39,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519580853] [2022-11-16 12:15:39,008 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:15:39,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:39,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:39,009 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:39,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2022-11-16 12:15:39,156 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-16 12:15:39,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:15:39,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:15:39,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:39,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:39,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519580853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:39,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:39,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2022-11-16 12:15:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683823995] [2022-11-16 12:15:39,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:39,659 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2022-11-16 12:15:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:39,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463945582] [2022-11-16 12:15:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:39,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:39,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:39,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:39,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:39,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-16 12:15:39,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2022-11-16 12:15:39,717 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:40,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:40,076 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2022-11-16 12:15:40,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2022-11-16 12:15:40,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:40,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2022-11-16 12:15:40,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:40,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:40,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2022-11-16 12:15:40,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:40,078 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-11-16 12:15:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2022-11-16 12:15:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2022-11-16 12:15:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-11-16 12:15:40,082 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-16 12:15:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:15:40,083 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-16 12:15:40,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-16 12:15:40,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2022-11-16 12:15:40,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:40,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:40,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:40,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:40,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:40,085 INFO L748 eck$LassoCheckResult]: Stem: 5011#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5012#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5018#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5024#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5019#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5020#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5021#L521 assume !(main_~val~0#1 < 0); 5015#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5016#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5017#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5022#L521 assume !(main_~val~0#1 < 0); 5065#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5064#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5063#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5062#L521 assume !(main_~val~0#1 < 0); 5061#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5060#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5059#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5058#L521 assume !(main_~val~0#1 < 0); 5057#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5056#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5055#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5054#L521 assume !(main_~val~0#1 < 0); 5053#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5052#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5051#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5027#L521 assume !(main_~val~0#1 < 0); 5033#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5030#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5026#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5025#L519-4 main_~j~0#1 := 0; 5013#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5010#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5023#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5005#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5014#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5049#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5048#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5047#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5045#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5044#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5043#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5042#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5040#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5039#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5038#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5037#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5036#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5032#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5031#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5028#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5008#L527-3 [2022-11-16 12:15:40,085 INFO L750 eck$LassoCheckResult]: Loop: 5008#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5007#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5008#L527-3 [2022-11-16 12:15:40,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:40,085 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 12 times [2022-11-16 12:15:40,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:40,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747093750] [2022-11-16 12:15:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:40,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:40,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:40,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2022-11-16 12:15:40,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:40,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428117803] [2022-11-16 12:15:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:40,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:40,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:40,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 6 times [2022-11-16 12:15:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:40,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665499882] [2022-11-16 12:15:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:40,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:42,663 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:42,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:42,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:42,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:42,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:42,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:42,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:42,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:42,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration15_Lasso [2022-11-16 12:15:42,664 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:42,664 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:42,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:42,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:43,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:43,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:43,963 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:43,963 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:43,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:43,967 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:43,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-16 12:15:43,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:43,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:43,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:43,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:43,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:43,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:43,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:43,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:43,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:43,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:43,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:43,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:43,990 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:43,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-16 12:15:43,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,014 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-16 12:15:44,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,040 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-16 12:15:44,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,062 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-16 12:15:44,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-11-16 12:15:44,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,089 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-16 12:15:44,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-16 12:15:44,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,111 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-16 12:15:44,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,136 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-16 12:15:44,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,164 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-16 12:15:44,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,190 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-16 12:15:44,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,212 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-16 12:15:44,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:44,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:44,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:44,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,234 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-16 12:15:44,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-16 12:15:44,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,261 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-16 12:15:44,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-11-16 12:15:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,292 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-16 12:15:44,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,342 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-16 12:15:44,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,382 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-16 12:15:44,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,411 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-16 12:15:44,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:44,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,462 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-16 12:15:44,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:44,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:44,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:44,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:44,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:44,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:44,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:44,493 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:44,507 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:15:44,507 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-16 12:15:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:44,510 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:44,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-16 12:15:44,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:44,525 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:44,525 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:44,525 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-16 12:15:44,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,599 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2022-11-16 12:15:44,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:44,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:44,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:15:44,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:45,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:45,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:45,231 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:15:45,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:45,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-16 12:15:45,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-16 12:15:45,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-16 12:15:45,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:45,497 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:45,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:15:45,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:46,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:46,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:46,117 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:15:46,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:46,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-16 12:15:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-16 12:15:46,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-16 12:15:46,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:46,373 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:46,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:46,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:15:46,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:46,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:46,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:47,003 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:15:47,003 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:47,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 163 transitions. Complement of second has 26 states. [2022-11-16 12:15:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 100 transitions. [2022-11-16 12:15:47,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-16 12:15:47,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:47,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 54 letters. Loop has 2 letters. [2022-11-16 12:15:47,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:47,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 4 letters. [2022-11-16 12:15:47,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:47,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 163 transitions. [2022-11-16 12:15:47,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:15:47,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 121 states and 156 transitions. [2022-11-16 12:15:47,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:15:47,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:15:47,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 156 transitions. [2022-11-16 12:15:47,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:47,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 156 transitions. [2022-11-16 12:15:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 156 transitions. [2022-11-16 12:15:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2022-11-16 12:15:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 71 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-11-16 12:15:47,503 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-16 12:15:47,504 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-16 12:15:47,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-16 12:15:47,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 89 transitions. [2022-11-16 12:15:47,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:47,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:47,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:47,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:47,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:47,507 INFO L748 eck$LassoCheckResult]: Stem: 6036#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6044#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6050#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6045#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6046#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6047#L521 assume !(main_~val~0#1 < 0); 6070#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6042#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6043#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6048#L521 assume !(main_~val~0#1 < 0); 6040#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6041#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6069#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6068#L521 assume !(main_~val~0#1 < 0); 6067#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6066#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6065#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6064#L521 assume !(main_~val~0#1 < 0); 6063#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6062#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6061#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6060#L521 assume !(main_~val~0#1 < 0); 6059#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6058#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6056#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6057#L521 assume !(main_~val~0#1 < 0); 6101#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6100#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6099#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 6098#L519-4 main_~j~0#1 := 0; 6097#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6095#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6094#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6093#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6039#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6035#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6049#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6030#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6031#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6091#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6090#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6089#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6088#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6086#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6085#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6084#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6083#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6081#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6080#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6079#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6078#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6077#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6074#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6073#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6071#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6033#L527-3 [2022-11-16 12:15:47,507 INFO L750 eck$LassoCheckResult]: Loop: 6033#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6032#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6033#L527-3 [2022-11-16 12:15:47,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 13 times [2022-11-16 12:15:47,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:47,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315111769] [2022-11-16 12:15:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:15:47,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315111769] [2022-11-16 12:15:47,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315111769] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:15:47,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907007909] [2022-11-16 12:15:47,883 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 12:15:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:15:47,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:47,885 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:15:47,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2022-11-16 12:15:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:48,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:15:48,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:48,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:15:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:48,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907007909] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:15:48,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:15:48,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2022-11-16 12:15:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312446953] [2022-11-16 12:15:48,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:15:48,620 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:15:48,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:48,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2022-11-16 12:15:48,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:48,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167781171] [2022-11-16 12:15:48,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:48,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:48,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:48,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:15:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 12:15:48,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-16 12:15:48,684 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. cyclomatic complexity: 26 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:48,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:15:48,994 INFO L93 Difference]: Finished difference Result 100 states and 122 transitions. [2022-11-16 12:15:48,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 122 transitions. [2022-11-16 12:15:48,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:48,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 68 states and 84 transitions. [2022-11-16 12:15:48,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:15:48,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:15:48,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 84 transitions. [2022-11-16 12:15:48,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:48,998 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 84 transitions. [2022-11-16 12:15:48,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 84 transitions. [2022-11-16 12:15:49,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-11-16 12:15:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:49,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2022-11-16 12:15:49,002 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-16 12:15:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:15:49,003 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-16 12:15:49,003 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-16 12:15:49,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2022-11-16 12:15:49,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:49,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:49,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:49,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:49,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:49,006 INFO L748 eck$LassoCheckResult]: Stem: 6583#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6584#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6590#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6596#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6591#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6592#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6593#L521 assume !(main_~val~0#1 < 0); 6587#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6588#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6589#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6594#L521 assume !(main_~val~0#1 < 0); 6641#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6640#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6639#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6638#L521 assume !(main_~val~0#1 < 0); 6637#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6636#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6635#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6634#L521 assume !(main_~val~0#1 < 0); 6633#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6632#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6631#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6630#L521 assume !(main_~val~0#1 < 0); 6629#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6628#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6627#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6626#L521 assume !(main_~val~0#1 < 0); 6625#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6624#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6623#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6599#L521 assume !(main_~val~0#1 < 0); 6605#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6602#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6598#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 6597#L519-4 main_~j~0#1 := 0; 6585#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6582#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6595#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6577#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6578#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6586#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6621#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6620#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6619#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6617#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6616#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6615#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6614#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6612#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6611#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6610#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6609#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6608#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6604#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6603#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6600#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6580#L527-3 [2022-11-16 12:15:49,006 INFO L750 eck$LassoCheckResult]: Loop: 6580#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6579#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6580#L527-3 [2022-11-16 12:15:49,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash 886862091, now seen corresponding path program 14 times [2022-11-16 12:15:49,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:49,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286480322] [2022-11-16 12:15:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:49,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 14 times [2022-11-16 12:15:49,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:49,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536406045] [2022-11-16 12:15:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:49,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:49,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:49,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1870946384, now seen corresponding path program 7 times [2022-11-16 12:15:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:49,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849297921] [2022-11-16 12:15:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:49,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:49,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:53,011 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:15:53,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:15:53,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:15:53,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:15:53,011 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:15:53,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:53,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:15:53,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:15:53,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration17_Lasso [2022-11-16 12:15:53,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:15:53,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:15:53,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:53,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:15:54,290 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:15:54,290 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:15:54,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,291 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-16 12:15:54,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,314 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-16 12:15:54,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,336 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-16 12:15:54,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,362 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-16 12:15:54,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2022-11-16 12:15:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,385 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-16 12:15:54,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,416 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-16 12:15:54,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,446 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-16 12:15:54,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,471 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-16 12:15:54,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,493 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-16 12:15:54,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,514 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-16 12:15:54,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,540 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-16 12:15:54,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,566 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-16 12:15:54,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:15:54,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:15:54,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:15:54,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,588 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-16 12:15:54,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,617 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-16 12:15:54,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2022-11-16 12:15:54,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,643 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-16 12:15:54,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,675 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-16 12:15:54,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2022-11-16 12:15:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,704 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-16 12:15:54,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:15:54,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:54,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,732 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-16 12:15:54,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:15:54,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:15:54,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:15:54,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:15:54,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:15:54,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:15:54,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:15:54,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:15:54,775 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:15:54,775 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:15:54,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:15:54,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:15:54,778 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:15:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-16 12:15:54,780 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:15:54,793 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:15:54,793 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:15:54,793 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2022-11-16 12:15:54,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-11-16 12:15:54,839 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-16 12:15:54,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:54,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:15:54,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:55,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:55,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:55,140 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-16 12:15:55,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:55,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-16 12:15:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:55,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-16 12:15:55,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:55,180 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:55,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:15:55,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-11-16 12:15:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:55,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:55,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:55,520 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-16 12:15:55,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:55,547 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-16 12:15:55,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:15:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:15:55,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-16 12:15:55,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:55,549 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:15:55,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:55,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:15:55,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:15:55,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:15:55,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:15:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:15:55,854 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-16 12:15:55,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:56,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 107 transitions. Complement of second has 18 states. [2022-11-16 12:15:56,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:15:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 57 transitions. [2022-11-16 12:15:56,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-16 12:15:56,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:56,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 58 letters. Loop has 2 letters. [2022-11-16 12:15:56,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:56,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 4 letters. [2022-11-16 12:15:56,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:15:56,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 107 transitions. [2022-11-16 12:15:56,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:56,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 79 states and 100 transitions. [2022-11-16 12:15:56,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:15:56,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:15:56,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 100 transitions. [2022-11-16 12:15:56,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:15:56,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-11-16 12:15:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 100 transitions. [2022-11-16 12:15:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2022-11-16 12:15:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:15:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-16 12:15:56,067 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-16 12:15:56,068 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-16 12:15:56,068 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-16 12:15:56,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2022-11-16 12:15:56,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:15:56,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:15:56,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:15:56,072 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:15:56,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:15:56,078 INFO L748 eck$LassoCheckResult]: Stem: 7505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7506#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7513#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 7520#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7514#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7515#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7516#L521 assume !(main_~val~0#1 < 0); 7510#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7511#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7512#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7517#L521 assume !(main_~val~0#1 < 0); 7518#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7543#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7542#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7541#L521 assume !(main_~val~0#1 < 0); 7540#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7539#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7538#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7537#L521 assume !(main_~val~0#1 < 0); 7536#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7535#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7534#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7533#L521 assume !(main_~val~0#1 < 0); 7532#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7531#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7530#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7529#L521 assume !(main_~val~0#1 < 0); 7528#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7527#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7526#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7523#L521 assume !(main_~val~0#1 < 0); 7525#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7524#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7522#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 7521#L519-4 main_~j~0#1 := 0; 7507#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7508#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7567#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7566#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7509#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7504#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7519#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7499#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7500#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7564#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7563#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7562#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7561#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7559#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7558#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7557#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7556#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7554#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7553#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7552#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7551#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7550#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7547#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7546#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7544#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7502#L527-3 [2022-11-16 12:15:56,079 INFO L750 eck$LassoCheckResult]: Loop: 7502#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7501#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7502#L527-3 [2022-11-16 12:15:56,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:56,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 15 times [2022-11-16 12:15:56,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:56,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261645801] [2022-11-16 12:15:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:56,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:56,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 15 times [2022-11-16 12:15:56,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:56,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168034144] [2022-11-16 12:15:56,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:56,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:15:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:15:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 8 times [2022-11-16 12:15:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:15:56,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229066224] [2022-11-16 12:15:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:15:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:15:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:15:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:15:56,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:01,041 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:16:01,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:16:01,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:16:01,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:16:01,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:16:01,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:01,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:16:01,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:16:01,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration18_Lasso [2022-11-16 12:16:01,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:16:01,042 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:16:01,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:01,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:02,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:03,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:16:03,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:16:03,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,346 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-16 12:16:03,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:03,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:03,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,369 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-16 12:16:03,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:03,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:03,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:03,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,394 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-16 12:16:03,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,420 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-16 12:16:03,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,447 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-16 12:16:03,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,473 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-16 12:16:03,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:03,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:03,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:03,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,497 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-16 12:16:03,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-11-16 12:16:03,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,540 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-16 12:16:03,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,572 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-16 12:16:03,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,600 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-16 12:16:03,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,650 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-16 12:16:03,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,700 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-16 12:16:03,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:03,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:03,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,752 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-11-16 12:16:03,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:03,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:03,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:03,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:03,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:03,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:03,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:03,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:16:03,813 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-16 12:16:03,813 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-16 12:16:03,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:03,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:03,815 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:03,820 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:16:03,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-16 12:16:03,857 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:16:03,857 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:16:03,857 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4 Supporting invariants [] [2022-11-16 12:16:03,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:04,018 INFO L156 tatePredicateManager]: 28 out of 29 supporting invariants were superfluous and have been removed [2022-11-16 12:16:04,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:04,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:16:04,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:04,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:04,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:04,735 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:16:04,736 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:05,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-16 12:16:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:05,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-16 12:16:05,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-16 12:16:05,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:05,004 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:05,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:05,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:16:05,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:05,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:05,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:05,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:05,766 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:16:05,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:06,017 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-16 12:16:06,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-16 12:16:06,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-16 12:16:06,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:06,019 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:06,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:06,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:16:06,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:06,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:06,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:06,769 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:16:06,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:07,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 142 states and 184 transitions. Complement of second has 29 states. [2022-11-16 12:16:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:16:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-16 12:16:07,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-16 12:16:07,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:07,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 62 letters. Loop has 2 letters. [2022-11-16 12:16:07,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:07,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 4 letters. [2022-11-16 12:16:07,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:07,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 184 transitions. [2022-11-16 12:16:07,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:16:07,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 137 states and 177 transitions. [2022-11-16 12:16:07,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:16:07,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:16:07,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-16 12:16:07,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:07,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-16 12:16:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-16 12:16:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2022-11-16 12:16:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:07,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2022-11-16 12:16:07,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-16 12:16:07,388 INFO L428 stractBuchiCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-16 12:16:07,388 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-16 12:16:07,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 100 transitions. [2022-11-16 12:16:07,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:07,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:07,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:07,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:07,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:07,391 INFO L748 eck$LassoCheckResult]: Stem: 8704#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8715#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 8722#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8716#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8717#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8718#L521 assume !(main_~val~0#1 < 0); 8712#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8713#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8714#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8719#L521 assume !(main_~val~0#1 < 0); 8720#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8746#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8745#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8744#L521 assume !(main_~val~0#1 < 0); 8743#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8742#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8741#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8740#L521 assume !(main_~val~0#1 < 0); 8739#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8738#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8737#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8736#L521 assume !(main_~val~0#1 < 0); 8735#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8734#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8733#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8732#L521 assume !(main_~val~0#1 < 0); 8731#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8730#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8728#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8729#L521 assume !(main_~val~0#1 < 0); 8782#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8781#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8780#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 8779#L519-4 main_~j~0#1 := 0; 8778#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8776#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8775#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8774#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8711#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8709#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8721#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8702#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8703#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8772#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8771#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8770#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8769#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8767#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8766#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8765#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8764#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8762#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8761#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8760#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8759#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8757#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8756#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8755#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8754#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8753#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8750#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8749#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8747#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8707#L527-3 [2022-11-16 12:16:07,391 INFO L750 eck$LassoCheckResult]: Loop: 8707#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8706#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8707#L527-3 [2022-11-16 12:16:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1801767883, now seen corresponding path program 16 times [2022-11-16 12:16:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:07,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020899898] [2022-11-16 12:16:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:07,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:16:07,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020899898] [2022-11-16 12:16:07,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020899898] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:16:07,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855505735] [2022-11-16 12:16:07,917 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:16:07,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:16:07,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:07,919 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:16:07,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (141)] Waiting until timeout for monitored process [2022-11-16 12:16:08,072 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:16:08,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:16:08,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:16:08,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:08,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:16:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:08,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855505735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:16:08,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:16:08,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2022-11-16 12:16:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335268110] [2022-11-16 12:16:08,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:16:08,807 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:16:08,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 16 times [2022-11-16 12:16:08,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:08,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957767218] [2022-11-16 12:16:08,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:08,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:08,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:08,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:08,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:16:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-16 12:16:08,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-11-16 12:16:08,867 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. cyclomatic complexity: 29 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:16:09,235 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-16 12:16:09,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 139 transitions. [2022-11-16 12:16:09,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:09,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 77 states and 95 transitions. [2022-11-16 12:16:09,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:16:09,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:16:09,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 95 transitions. [2022-11-16 12:16:09,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:09,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-16 12:16:09,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 95 transitions. [2022-11-16 12:16:09,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-11-16 12:16:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 73 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2022-11-16 12:16:09,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-16 12:16:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:16:09,242 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-16 12:16:09,242 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-16 12:16:09,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 91 transitions. [2022-11-16 12:16:09,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:09,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:09,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:09,244 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:09,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:09,245 INFO L748 eck$LassoCheckResult]: Stem: 9331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9338#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 9344#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9339#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 9340#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9341#L521 assume !(main_~val~0#1 < 0); 9335#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9336#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9337#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9342#L521 assume !(main_~val~0#1 < 0); 9398#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9397#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9396#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9395#L521 assume !(main_~val~0#1 < 0); 9394#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9393#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9392#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9391#L521 assume !(main_~val~0#1 < 0); 9390#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9388#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9387#L521 assume !(main_~val~0#1 < 0); 9386#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9385#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9384#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9383#L521 assume !(main_~val~0#1 < 0); 9382#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9381#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9380#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9379#L521 assume !(main_~val~0#1 < 0); 9378#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9377#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9376#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9347#L521 assume !(main_~val~0#1 < 0); 9353#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9350#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9346#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 9345#L519-4 main_~j~0#1 := 0; 9333#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9330#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9343#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9325#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9326#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9334#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9374#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9373#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9372#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9370#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9369#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9368#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9367#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9365#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9364#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9363#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9362#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9360#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9359#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9358#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9357#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9356#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9352#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9351#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9348#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9328#L527-3 [2022-11-16 12:16:09,245 INFO L750 eck$LassoCheckResult]: Loop: 9328#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9327#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 9328#L527-3 [2022-11-16 12:16:09,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:09,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1598635865, now seen corresponding path program 17 times [2022-11-16 12:16:09,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:09,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904863036] [2022-11-16 12:16:09,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 17 times [2022-11-16 12:16:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:09,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996447597] [2022-11-16 12:16:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:09,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:09,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1309224162, now seen corresponding path program 9 times [2022-11-16 12:16:09,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:09,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782040839] [2022-11-16 12:16:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:09,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:09,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:16,057 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 296 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:16:16,570 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:16:16,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:16:16,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:16:16,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:16:16,571 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:16:16,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:16,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:16:16,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:16:16,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration20_Lasso [2022-11-16 12:16:16,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:16:16,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:16:16,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:16,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:18,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:16:18,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:16:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,326 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-11-16 12:16:18,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-11-16 12:16:18,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,350 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-16 12:16:18,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:18,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,375 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-16 12:16:18,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-11-16 12:16:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,401 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-16 12:16:18,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:18,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,423 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-16 12:16:18,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:18,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,449 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-11-16 12:16:18,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-11-16 12:16:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,471 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-11-16 12:16:18,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-11-16 12:16:18,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,494 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-16 12:16:18,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2022-11-16 12:16:18,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,519 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-16 12:16:18,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-11-16 12:16:18,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,543 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-16 12:16:18,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-11-16 12:16:18,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,569 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-16 12:16:18,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-11-16 12:16:18,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,591 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-16 12:16:18,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2022-11-16 12:16:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,616 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-16 12:16:18,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:18,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:18,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:18,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-11-16 12:16:18,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,638 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-16 12:16:18,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2022-11-16 12:16:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,665 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-16 12:16:18,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-11-16 12:16:18,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,692 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-16 12:16:18,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-16 12:16:18,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,732 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-16 12:16:18,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-11-16 12:16:18,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,764 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-16 12:16:18,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-16 12:16:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,793 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-16 12:16:18,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-11-16 12:16:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,822 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-16 12:16:18,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-16 12:16:18,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,854 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-16 12:16:18,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:18,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-16 12:16:18,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,881 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-11-16 12:16:18,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:18,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:18,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:18,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:18,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:18,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:18,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:18,910 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:16:18,920 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-16 12:16:18,920 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-16 12:16:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:18,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:18,921 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:18,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-16 12:16:18,924 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:16:18,937 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:16:18,938 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:16:18,938 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2 Supporting invariants [] [2022-11-16 12:16:18,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:18,993 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-16 12:16:19,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:19,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:16:19,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:19,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:19,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:19,357 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:16:19,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:19,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:19,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-16 12:16:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:16:19,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-16 12:16:19,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:19,419 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:19,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:16:19,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:19,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:19,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:19,757 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:16:19,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:19,787 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-16 12:16:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:16:19,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-16 12:16:19,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:19,789 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:19,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:19,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:16:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:20,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:20,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:20,165 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-16 12:16:20,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:20,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 94 states and 120 transitions. Complement of second has 20 states. [2022-11-16 12:16:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:16:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 63 transitions. [2022-11-16 12:16:20,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-16 12:16:20,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:20,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 66 letters. Loop has 2 letters. [2022-11-16 12:16:20,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:20,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 4 letters. [2022-11-16 12:16:20,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:20,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 120 transitions. [2022-11-16 12:16:20,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:20,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 113 transitions. [2022-11-16 12:16:20,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:16:20,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:16:20,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 113 transitions. [2022-11-16 12:16:20,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:20,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 113 transitions. [2022-11-16 12:16:20,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 113 transitions. [2022-11-16 12:16:20,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2022-11-16 12:16:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 78 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-11-16 12:16:20,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-16 12:16:20,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-16 12:16:20,386 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-16 12:16:20,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 97 transitions. [2022-11-16 12:16:20,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:20,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:20,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:20,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:20,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:20,389 INFO L748 eck$LassoCheckResult]: Stem: 10380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10388#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 10395#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10389#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 10390#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10391#L521 assume !(main_~val~0#1 < 0); 10385#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10386#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10387#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10392#L521 assume !(main_~val~0#1 < 0); 10393#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10422#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10421#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10420#L521 assume !(main_~val~0#1 < 0); 10419#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10418#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10417#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10416#L521 assume !(main_~val~0#1 < 0); 10415#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10414#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10413#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10412#L521 assume !(main_~val~0#1 < 0); 10411#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10410#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10409#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10408#L521 assume !(main_~val~0#1 < 0); 10407#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10406#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10405#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10404#L521 assume !(main_~val~0#1 < 0); 10403#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10402#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10401#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10398#L521 assume !(main_~val~0#1 < 0); 10400#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10399#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10397#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 10396#L519-4 main_~j~0#1 := 0; 10382#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10383#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10451#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10450#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10384#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10379#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10394#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10374#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10375#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10448#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10447#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10446#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10445#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10443#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10442#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10441#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10440#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10438#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10437#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10436#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10435#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10433#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10432#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10431#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10430#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10429#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10426#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10425#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10423#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10377#L527-3 [2022-11-16 12:16:20,391 INFO L750 eck$LassoCheckResult]: Loop: 10377#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10376#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 10377#L527-3 [2022-11-16 12:16:20,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:20,392 INFO L85 PathProgramCache]: Analyzing trace with hash 260997934, now seen corresponding path program 18 times [2022-11-16 12:16:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:20,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910965954] [2022-11-16 12:16:20,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:20,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:20,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 18 times [2022-11-16 12:16:20,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:20,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582215887] [2022-11-16 12:16:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:20,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:20,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1710912947, now seen corresponding path program 10 times [2022-11-16 12:16:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:20,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584838449] [2022-11-16 12:16:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:20,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:25,804 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 310 DAG size of output: 233 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:16:26,356 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:16:26,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:16:26,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:16:26,356 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:16:26,356 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:16:26,356 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:26,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:16:26,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:16:26,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration21_Lasso [2022-11-16 12:16:26,357 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:16:26,357 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:16:26,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:26,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:28,900 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:16:28,900 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:16:28,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:28,901 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:28,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-16 12:16:28,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:28,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:28,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:28,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:28,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:28,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:28,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:28,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:28,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:28,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:28,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:28,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:28,924 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:28,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-16 12:16:28,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:28,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:28,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:28,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:28,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:28,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:28,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:28,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:28,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:28,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:28,949 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:28,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-16 12:16:28,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:28,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:28,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:28,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:28,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:28,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:28,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:28,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:28,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:28,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2022-11-16 12:16:28,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:28,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:28,971 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:28,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-16 12:16:28,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:28,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:28,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:28,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:28,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:28,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:28,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:28,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:28,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2022-11-16 12:16:28,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:28,997 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:28,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-16 12:16:29,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:29,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:29,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:29,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:29,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:29,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:29,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:29,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:29,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2022-11-16 12:16:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:29,022 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-16 12:16:29,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:29,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:29,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:29,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:29,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:29,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:29,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:29,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:29,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:29,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2022-11-16 12:16:29,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:29,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:29,044 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:29,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-16 12:16:29,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:29,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:29,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:29,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:29,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:29,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:29,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:29,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:29,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:29,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:29,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:29,080 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:29,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-16 12:16:29,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:29,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:29,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:29,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:29,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:29,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:29,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:16:29,127 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-16 12:16:29,127 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:16:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:29,129 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:29,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-16 12:16:29,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:16:29,145 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:16:29,145 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:16:29,145 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5 Supporting invariants [] [2022-11-16 12:16:29,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:29,304 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-16 12:16:29,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:29,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-16 12:16:29,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:29,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:30,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:30,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:30,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-16 12:16:30,154 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:30,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-16 12:16:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-16 12:16:30,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-16 12:16:30,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:30,542 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:30,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:30,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-16 12:16:30,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:31,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:31,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:31,388 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-16 12:16:31,388 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:31,750 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-16 12:16:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-16 12:16:31,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-16 12:16:31,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:31,751 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:31,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:31,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-16 12:16:31,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:32,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:32,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:32,651 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-16 12:16:32,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:33,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 158 states and 205 transitions. Complement of second has 32 states. [2022-11-16 12:16:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:16:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 122 transitions. [2022-11-16 12:16:33,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-16 12:16:33,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:33,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 70 letters. Loop has 2 letters. [2022-11-16 12:16:33,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:33,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 4 letters. [2022-11-16 12:16:33,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:33,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 205 transitions. [2022-11-16 12:16:33,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:16:33,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 153 states and 198 transitions. [2022-11-16 12:16:33,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:16:33,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:16:33,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 198 transitions. [2022-11-16 12:16:33,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:33,299 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 198 transitions. [2022-11-16 12:16:33,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 198 transitions. [2022-11-16 12:16:33,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 90. [2022-11-16 12:16:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-16 12:16:33,302 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-16 12:16:33,302 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-16 12:16:33,303 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-16 12:16:33,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 111 transitions. [2022-11-16 12:16:33,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:33,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:33,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:33,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:33,305 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:33,305 INFO L748 eck$LassoCheckResult]: Stem: 11729#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11730#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11737#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 11743#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11738#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11739#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11740#L521 assume !(main_~val~0#1 < 0); 11771#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11735#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11736#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11741#L521 assume !(main_~val~0#1 < 0); 11733#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11734#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11770#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11769#L521 assume !(main_~val~0#1 < 0); 11768#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11767#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11766#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11765#L521 assume !(main_~val~0#1 < 0); 11764#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11763#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11762#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11761#L521 assume !(main_~val~0#1 < 0); 11760#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11759#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11758#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11757#L521 assume !(main_~val~0#1 < 0); 11756#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11755#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11754#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11753#L521 assume !(main_~val~0#1 < 0); 11752#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11751#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11749#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11750#L521 assume !(main_~val~0#1 < 0); 11812#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11811#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11810#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 11809#L519-4 main_~j~0#1 := 0; 11808#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11806#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11805#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11804#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11732#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11728#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11742#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11723#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11724#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11802#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11801#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11800#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11799#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11797#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11796#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11795#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11794#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11792#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11791#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11790#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11789#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11787#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11786#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11785#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11784#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11782#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11781#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11780#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11779#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11778#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11775#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11774#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11772#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11726#L527-3 [2022-11-16 12:16:33,305 INFO L750 eck$LassoCheckResult]: Loop: 11726#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11725#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 11726#L527-3 [2022-11-16 12:16:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:33,306 INFO L85 PathProgramCache]: Analyzing trace with hash -785132413, now seen corresponding path program 19 times [2022-11-16 12:16:33,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:33,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281813290] [2022-11-16 12:16:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:33,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 91 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:33,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:16:33,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281813290] [2022-11-16 12:16:33,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281813290] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:16:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361760629] [2022-11-16 12:16:33,879 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 12:16:33,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:16:33,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:33,881 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:16:33,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (174)] Waiting until timeout for monitored process [2022-11-16 12:16:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:34,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-16 12:16:34,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:34,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:16:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:34,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361760629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:16:34,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:16:34,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2022-11-16 12:16:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249066302] [2022-11-16 12:16:34,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:16:34,888 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:16:34,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:34,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 19 times [2022-11-16 12:16:34,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:34,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868141358] [2022-11-16 12:16:34,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:34,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:34,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:16:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-16 12:16:34,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2022-11-16 12:16:34,954 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. cyclomatic complexity: 32 Second operand has 32 states, 31 states have (on average 3.7419354838709675) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:35,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:16:35,385 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2022-11-16 12:16:35,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 156 transitions. [2022-11-16 12:16:35,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:35,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 86 states and 106 transitions. [2022-11-16 12:16:35,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:16:35,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:16:35,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 106 transitions. [2022-11-16 12:16:35,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:35,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 106 transitions. [2022-11-16 12:16:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 106 transitions. [2022-11-16 12:16:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-11-16 12:16:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 82 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-11-16 12:16:35,392 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-16 12:16:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 12:16:35,401 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-16 12:16:35,401 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-16 12:16:35,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2022-11-16 12:16:35,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:35,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:35,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:35,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:35,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:35,406 INFO L748 eck$LassoCheckResult]: Stem: 12428#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 12435#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 12441#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12436#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 12437#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12438#L521 assume !(main_~val~0#1 < 0); 12432#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12433#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12434#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12439#L521 assume !(main_~val~0#1 < 0); 12504#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12503#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12502#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12501#L521 assume !(main_~val~0#1 < 0); 12500#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12499#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12498#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12497#L521 assume !(main_~val~0#1 < 0); 12496#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12495#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12494#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12493#L521 assume !(main_~val~0#1 < 0); 12492#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12491#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12490#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12489#L521 assume !(main_~val~0#1 < 0); 12488#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12487#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12486#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12485#L521 assume !(main_~val~0#1 < 0); 12484#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12483#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12482#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12481#L521 assume !(main_~val~0#1 < 0); 12480#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12479#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12478#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12444#L521 assume !(main_~val~0#1 < 0); 12450#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12447#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12443#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 12442#L519-4 main_~j~0#1 := 0; 12430#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12427#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12440#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12422#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12423#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12431#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12476#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12475#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12474#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12472#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12471#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12470#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12469#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12467#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12466#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12465#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12464#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12462#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12461#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12460#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12459#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12457#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12456#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12455#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12454#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12453#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12449#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12448#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12445#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12425#L527-3 [2022-11-16 12:16:35,406 INFO L750 eck$LassoCheckResult]: Loop: 12425#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12424#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 12425#L527-3 [2022-11-16 12:16:35,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:35,407 INFO L85 PathProgramCache]: Analyzing trace with hash 836742567, now seen corresponding path program 20 times [2022-11-16 12:16:35,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:35,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407658510] [2022-11-16 12:16:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:35,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:35,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 20 times [2022-11-16 12:16:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:35,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204447453] [2022-11-16 12:16:35,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:35,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:35,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:35,502 INFO L85 PathProgramCache]: Analyzing trace with hash 950724076, now seen corresponding path program 11 times [2022-11-16 12:16:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:35,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850419688] [2022-11-16 12:16:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:35,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:43,134 WARN L233 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 329 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:16:44,287 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:16:44,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:16:44,287 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:16:44,287 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:16:44,287 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:16:44,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:44,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:16:44,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:16:44,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration23_Lasso [2022-11-16 12:16:44,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:16:44,288 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:16:44,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:44,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:45,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:45,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:16:46,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:16:46,517 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:16:46,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,519 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-11-16 12:16:46,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,568 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-11-16 12:16:46,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,603 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-11-16 12:16:46,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,625 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-11-16 12:16:46,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,650 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-11-16 12:16:46,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2022-11-16 12:16:46,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,672 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-16 12:16:46,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,716 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-16 12:16:46,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2022-11-16 12:16:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,738 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-16 12:16:46,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-16 12:16:46,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,760 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-16 12:16:46,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-11-16 12:16:46,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,786 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-11-16 12:16:46,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-11-16 12:16:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,808 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-16 12:16:46,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-11-16 12:16:46,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,833 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-16 12:16:46,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:16:46,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:16:46,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:16:46,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-11-16 12:16:46,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,856 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-16 12:16:46,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-16 12:16:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,898 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-16 12:16:46,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,929 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-16 12:16:46,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,964 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-16 12:16:46,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:46,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:46,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:46,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:46,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:46,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:46,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:46,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:46,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:46,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:46,995 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-16 12:16:46,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:47,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:47,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:47,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:47,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:47,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:47,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:47,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:47,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-16 12:16:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:47,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:47,036 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:47,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-16 12:16:47,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:47,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:47,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:47,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:47,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:47,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:47,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:47,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:47,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-16 12:16:47,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:47,068 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:47,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-16 12:16:47,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:47,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:47,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:47,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:47,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:47,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:47,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:47,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:16:47,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2022-11-16 12:16:47,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:47,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:47,095 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:47,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-16 12:16:47,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:16:47,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:16:47,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:16:47,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:16:47,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:16:47,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:16:47,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:16:47,125 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:16:47,142 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-16 12:16:47,142 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:16:47,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:16:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:16:47,145 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:16:47,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-16 12:16:47,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:16:47,160 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:16:47,160 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:16:47,160 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5 Supporting invariants [] [2022-11-16 12:16:47,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-11-16 12:16:47,263 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2022-11-16 12:16:47,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:47,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-16 12:16:47,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:47,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2022-11-16 12:16:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:48,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:48,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:48,165 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-16 12:16:48,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:48,556 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-16 12:16:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-16 12:16:48,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-16 12:16:48,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:48,574 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:48,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:48,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-16 12:16:48,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:49,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:49,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:49,428 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-16 12:16:49,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:49,729 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-16 12:16:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:16:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-16 12:16:49,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-16 12:16:49,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:49,731 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:16:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:49,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-16 12:16:49,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:50,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:16:50,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:16:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:50,636 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-16 12:16:50,636 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:51,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 210 transitions. Complement of second has 33 states. [2022-11-16 12:16:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 23 states 19 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:16:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 127 transitions. [2022-11-16 12:16:51,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-16 12:16:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:51,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 74 letters. Loop has 2 letters. [2022-11-16 12:16:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:51,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 4 letters. [2022-11-16 12:16:51,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:16:51,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 210 transitions. [2022-11-16 12:16:51,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:16:51,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 157 states and 203 transitions. [2022-11-16 12:16:51,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:16:51,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:16:51,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 203 transitions. [2022-11-16 12:16:51,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:16:51,422 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 203 transitions. [2022-11-16 12:16:51,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 203 transitions. [2022-11-16 12:16:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 94. [2022-11-16 12:16:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:16:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2022-11-16 12:16:51,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-16 12:16:51,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-16 12:16:51,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-16 12:16:51,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 116 transitions. [2022-11-16 12:16:51,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:16:51,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:16:51,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:16:51,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:51,428 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:16:51,428 INFO L748 eck$LassoCheckResult]: Stem: 13794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 13805#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 13812#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 13806#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13807#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13808#L521 assume !(main_~val~0#1 < 0); 13802#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13803#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13804#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13809#L521 assume !(main_~val~0#1 < 0); 13810#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13844#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13843#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13842#L521 assume !(main_~val~0#1 < 0); 13841#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13840#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13839#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13838#L521 assume !(main_~val~0#1 < 0); 13837#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13836#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13834#L521 assume !(main_~val~0#1 < 0); 13833#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13832#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13831#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13830#L521 assume !(main_~val~0#1 < 0); 13829#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13828#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13827#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13826#L521 assume !(main_~val~0#1 < 0); 13825#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13824#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13822#L521 assume !(main_~val~0#1 < 0); 13821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13818#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13819#L521 assume !(main_~val~0#1 < 0); 13885#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13884#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13883#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 13882#L519-4 main_~j~0#1 := 0; 13881#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13878#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13877#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13801#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13799#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13811#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13792#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13793#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13875#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13874#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13873#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13872#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13869#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13868#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13867#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13865#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13864#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13863#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13862#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13860#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13859#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13858#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13857#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13855#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13854#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13853#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13852#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13851#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13848#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13847#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13845#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13797#L527-3 [2022-11-16 12:16:51,428 INFO L750 eck$LassoCheckResult]: Loop: 13797#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13796#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 13797#L527-3 [2022-11-16 12:16:51,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:51,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1182197124, now seen corresponding path program 21 times [2022-11-16 12:16:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:51,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410970] [2022-11-16 12:16:51,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:51,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 21 times [2022-11-16 12:16:51,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:51,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345226744] [2022-11-16 12:16:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:51,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:16:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2074898817, now seen corresponding path program 12 times [2022-11-16 12:16:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:51,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897459857] [2022-11-16 12:16:51,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:51,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:16:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:16:51,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:00,841 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 343 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:17:01,448 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:17:01,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:17:01,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:17:01,449 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:17:01,449 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:17:01,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:01,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:17:01,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:17:01,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration24_Lasso [2022-11-16 12:17:01,449 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:17:01,449 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:17:01,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:01,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:03,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:04,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:17:04,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:17:04,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,457 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-16 12:17:04,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2022-11-16 12:17:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,511 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-16 12:17:04,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2022-11-16 12:17:04,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,532 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-16 12:17:04,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:04,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,554 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-16 12:17:04,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2022-11-16 12:17:04,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,584 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-16 12:17:04,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:04,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,610 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-16 12:17:04,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2022-11-16 12:17:04,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,633 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-16 12:17:04,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-11-16 12:17:04,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,662 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-16 12:17:04,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2022-11-16 12:17:04,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,684 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-16 12:17:04,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-11-16 12:17:04,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,705 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-16 12:17:04,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2022-11-16 12:17:04,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,730 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-11-16 12:17:04,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-11-16 12:17:04,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,752 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-16 12:17:04,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:04,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:04,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:04,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:04,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,776 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-16 12:17:04,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2022-11-16 12:17:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,807 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-16 12:17:04,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2022-11-16 12:17:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:04,839 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:04,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-16 12:17:04,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:04,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:04,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:04,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:04,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:04,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:04,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:04,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:04,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:04,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:04,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2022-11-16 12:17:06,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:06,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 75 transitions. Stem has 76 letters. Loop has 4 letters. [2022-11-16 12:17:06,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:06,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 214 transitions. [2022-11-16 12:17:06,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:17:06,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 160 states and 207 transitions. [2022-11-16 12:17:06,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:17:06,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:17:06,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 207 transitions. [2022-11-16 12:17:06,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:17:06,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 207 transitions. [2022-11-16 12:17:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 207 transitions. [2022-11-16 12:17:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-11-16 12:17:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 135 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2022-11-16 12:17:06,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-16 12:17:06,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-16 12:17:06,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-11-16 12:17:06,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 168 transitions. [2022-11-16 12:17:06,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:06,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:06,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:06,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:06,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:17:06,871 INFO L748 eck$LassoCheckResult]: Stem: 15128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 15137#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 15143#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 15138#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 15139#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15140#L521 assume !(main_~val~0#1 < 0); 15175#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15135#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15136#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15141#L521 assume !(main_~val~0#1 < 0); 15133#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15134#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15174#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15173#L521 assume !(main_~val~0#1 < 0); 15172#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15171#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15170#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15169#L521 assume !(main_~val~0#1 < 0); 15168#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15167#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15166#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15165#L521 assume !(main_~val~0#1 < 0); 15164#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15163#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15162#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15161#L521 assume !(main_~val~0#1 < 0); 15160#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15159#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15158#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15157#L521 assume !(main_~val~0#1 < 0); 15156#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15155#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15154#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15153#L521 assume !(main_~val~0#1 < 0); 15152#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15151#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15150#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15149#L521 assume !(main_~val~0#1 < 0); 15148#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15147#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15145#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15146#L521 assume !(main_~val~0#1 < 0); 15227#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15226#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15225#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 15224#L519-4 main_~j~0#1 := 0; 15223#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15221#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15220#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15219#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15218#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15216#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15215#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15214#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15213#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15211#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15210#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15209#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15208#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15205#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15204#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15203#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15202#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15200#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15199#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15198#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15197#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15195#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15194#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15192#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15191#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15188#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15187#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15186#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15176#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 15125#L527-3 [2022-11-16 12:17:06,871 INFO L750 eck$LassoCheckResult]: Loop: 15125#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15124#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 15125#L527-3 [2022-11-16 12:17:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 439677856, now seen corresponding path program 22 times [2022-11-16 12:17:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:06,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601550066] [2022-11-16 12:17:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:06,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:06,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:06,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 22 times [2022-11-16 12:17:06,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:06,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631652359] [2022-11-16 12:17:06,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:06,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:06,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:06,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:06,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1623626149, now seen corresponding path program 13 times [2022-11-16 12:17:06,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:06,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997577453] [2022-11-16 12:17:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:06,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:07,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:16,842 WARN L233 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 348 DAG size of output: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:17:17,501 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:17:17,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:17:17,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:17:17,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:17:17,501 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:17:17,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:17,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:17:17,502 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:17:17,502 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration25_Lasso [2022-11-16 12:17:17,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:17:17,502 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:17:17,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:17,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:17,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:19,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:20,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:17:20,216 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:17:20,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,217 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2022-11-16 12:17:20,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:20,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:20,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:20,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2022-11-16 12:17:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,240 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2022-11-16 12:17:20,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2022-11-16 12:17:20,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,266 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-11-16 12:17:20,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,324 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-11-16 12:17:20,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,381 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-11-16 12:17:20,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,436 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-11-16 12:17:20,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,481 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-11-16 12:17:20,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,566 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-11-16 12:17:20,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,624 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2022-11-16 12:17:20,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,672 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-11-16 12:17:20,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,724 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-11-16 12:17:20,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,772 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-11-16 12:17:20,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,824 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-11-16 12:17:20,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,877 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-11-16 12:17:20,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:20,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:20,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,920 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:20,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:20,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-11-16 12:17:20,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:20,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:20,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:20,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:20,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:20,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:20,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:17:20,990 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:17:20,991 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:17:20,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:20,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:20,992 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:21,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:17:21,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-11-16 12:17:21,036 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:17:21,036 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:17:21,036 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 28))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 28))_3 Supporting invariants [] [2022-11-16 12:17:21,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:21,211 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-11-16 12:17:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:21,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:17:21,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:21,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:21,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:21,653 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-16 12:17:21,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:21,688 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 172 transitions. Complement of second has 4 states. [2022-11-16 12:17:21,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:17:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:17:21,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-16 12:17:21,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:21,690 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:17:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:21,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:17:21,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:22,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:22,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:22,086 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-16 12:17:22,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 172 transitions. Complement of second has 4 states. [2022-11-16 12:17:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:17:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:17:22,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-16 12:17:22,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:22,118 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:17:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:22,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:17:22,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:22,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:22,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:22,539 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-16 12:17:22,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 211 transitions. Complement of second has 22 states. [2022-11-16 12:17:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:17:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 69 transitions. [2022-11-16 12:17:22,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-16 12:17:22,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:22,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-16 12:17:22,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:22,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 76 letters. Loop has 4 letters. [2022-11-16 12:17:22,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:22,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 211 transitions. [2022-11-16 12:17:22,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:22,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 155 states and 201 transitions. [2022-11-16 12:17:22,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:17:22,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 12:17:22,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 201 transitions. [2022-11-16 12:17:22,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:17:22,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-11-16 12:17:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 201 transitions. [2022-11-16 12:17:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 93. [2022-11-16 12:17:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2258064516129032) internal successors, (114), 92 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2022-11-16 12:17:22,814 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 114 transitions. [2022-11-16 12:17:22,815 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 114 transitions. [2022-11-16 12:17:22,815 INFO L335 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-11-16 12:17:22,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 114 transitions. [2022-11-16 12:17:22,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:22,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:22,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:22,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:22,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:17:22,818 INFO L748 eck$LassoCheckResult]: Stem: 16627#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16628#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 16639#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16645#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 16640#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 16641#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16642#L521 assume !(main_~val~0#1 < 0); 16636#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16637#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16638#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16643#L521 assume !(main_~val~0#1 < 0); 16682#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16681#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16680#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16679#L521 assume !(main_~val~0#1 < 0); 16678#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16677#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16676#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16675#L521 assume !(main_~val~0#1 < 0); 16674#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16673#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16672#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16671#L521 assume !(main_~val~0#1 < 0); 16670#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16669#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16668#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16667#L521 assume !(main_~val~0#1 < 0); 16666#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16665#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16664#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16663#L521 assume !(main_~val~0#1 < 0); 16662#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16661#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16660#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16659#L521 assume !(main_~val~0#1 < 0); 16658#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16657#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16656#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16648#L521 assume !(main_~val~0#1 < 0); 16654#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16649#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16647#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 16646#L519-4 main_~j~0#1 := 0; 16633#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16634#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16716#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16715#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16635#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16632#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16644#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16625#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16626#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16713#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16712#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16711#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16710#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16708#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16707#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16706#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16705#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16703#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16702#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16701#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16700#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16698#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16697#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16696#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16695#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16693#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16692#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16691#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16690#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16688#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16687#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16686#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16685#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16684#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16653#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16652#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16650#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 16630#L527-3 [2022-11-16 12:17:22,818 INFO L750 eck$LassoCheckResult]: Loop: 16630#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16629#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 16630#L527-3 [2022-11-16 12:17:22,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:22,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1112937681, now seen corresponding path program 23 times [2022-11-16 12:17:22,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:22,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090531676] [2022-11-16 12:17:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:22,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 120 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:23,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:23,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090531676] [2022-11-16 12:17:23,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090531676] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:17:23,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249911968] [2022-11-16 12:17:23,378 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:17:23,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:17:23,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:23,379 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:17:23,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (236)] Waiting until timeout for monitored process [2022-11-16 12:17:23,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-11-16 12:17:23,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:17:23,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:17:23,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 153 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:24,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:17:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 153 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:24,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249911968] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:17:24,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:17:24,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 34 [2022-11-16 12:17:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760211980] [2022-11-16 12:17:24,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:17:24,663 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:17:24,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:24,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 23 times [2022-11-16 12:17:24,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:24,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762152199] [2022-11-16 12:17:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:24,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:24,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-16 12:17:24,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 12:17:24,725 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. cyclomatic complexity: 33 Second operand has 35 states, 34 states have (on average 3.764705882352941) internal successors, (128), 35 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:25,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:25,219 INFO L93 Difference]: Finished difference Result 147 states and 179 transitions. [2022-11-16 12:17:25,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 179 transitions. [2022-11-16 12:17:25,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:25,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 100 states and 123 transitions. [2022-11-16 12:17:25,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:17:25,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:17:25,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 123 transitions. [2022-11-16 12:17:25,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:17:25,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 123 transitions. [2022-11-16 12:17:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 123 transitions. [2022-11-16 12:17:25,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2022-11-16 12:17:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 96 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2022-11-16 12:17:25,226 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 119 transitions. [2022-11-16 12:17:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 12:17:25,226 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 119 transitions. [2022-11-16 12:17:25,226 INFO L335 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-11-16 12:17:25,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 119 transitions. [2022-11-16 12:17:25,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:25,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:25,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:25,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:25,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:17:25,229 INFO L748 eck$LassoCheckResult]: Stem: 17401#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 17402#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 17412#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 17419#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 17413#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 17414#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17415#L521 assume !(main_~val~0#1 < 0); 17409#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17410#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17411#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17416#L521 assume !(main_~val~0#1 < 0); 17495#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17494#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17493#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17492#L521 assume !(main_~val~0#1 < 0); 17491#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17490#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17489#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17488#L521 assume !(main_~val~0#1 < 0); 17487#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17486#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17485#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17484#L521 assume !(main_~val~0#1 < 0); 17483#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17482#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17481#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17480#L521 assume !(main_~val~0#1 < 0); 17479#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17478#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17477#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17476#L521 assume !(main_~val~0#1 < 0); 17475#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17474#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17473#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17472#L521 assume !(main_~val~0#1 < 0); 17471#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17470#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17469#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17468#L521 assume !(main_~val~0#1 < 0); 17467#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17466#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17465#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17422#L521 assume !(main_~val~0#1 < 0); 17428#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17423#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17421#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 17420#L519-4 main_~j~0#1 := 0; 17407#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17408#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17417#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17399#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17400#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17406#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17464#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17463#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17462#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17460#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17459#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17458#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17457#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17455#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17454#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17453#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17452#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17450#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17449#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17448#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17447#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17445#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17444#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17443#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17442#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17440#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17439#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17438#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17437#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17435#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17434#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17433#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17432#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17431#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17427#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17426#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17424#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 17404#L527-3 [2022-11-16 12:17:25,229 INFO L750 eck$LassoCheckResult]: Loop: 17404#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17403#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 17404#L527-3 [2022-11-16 12:17:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:25,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1373220406, now seen corresponding path program 24 times [2022-11-16 12:17:25,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:25,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310178789] [2022-11-16 12:17:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:25,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 24 times [2022-11-16 12:17:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:25,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887284207] [2022-11-16 12:17:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:25,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1109848753, now seen corresponding path program 14 times [2022-11-16 12:17:25,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:25,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001874686] [2022-11-16 12:17:25,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:25,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:25,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:42,332 WARN L233 SmtUtils]: Spent 16.86s on a formula simplification. DAG size of input: 376 DAG size of output: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:17:45,226 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:17:45,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:17:45,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:17:45,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:17:45,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:17:45,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:45,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:17:45,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:17:45,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration27_Lasso [2022-11-16 12:17:45,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:17:45,227 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:17:45,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,243 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:45,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:50,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:17:51,230 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:17:51,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:17:51,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,239 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-11-16 12:17:51,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:51,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:51,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:51,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,271 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-11-16 12:17:51,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2022-11-16 12:17:51,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,309 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-16 12:17:51,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2022-11-16 12:17:51,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,334 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-16 12:17:51,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:51,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:51,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:51,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-11-16 12:17:51,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,358 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-16 12:17:51,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:51,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:51,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:51,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:51,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,379 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-16 12:17:51,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2022-11-16 12:17:51,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,405 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-11-16 12:17:51,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:17:51,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:17:51,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:17:51,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-11-16 12:17:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,427 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-11-16 12:17:51,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-11-16 12:17:51,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,459 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-11-16 12:17:51,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-11-16 12:17:51,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,507 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-16 12:17:51,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-16 12:17:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,541 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-16 12:17:51,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-11-16 12:17:51,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,575 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-16 12:17:51,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-11-16 12:17:51,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,610 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-16 12:17:51,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2022-11-16 12:17:51,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,641 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-11-16 12:17:51,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2022-11-16 12:17:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,667 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-16 12:17:51,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-11-16 12:17:51,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,697 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-16 12:17:51,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2022-11-16 12:17:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,728 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-16 12:17:51,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2022-11-16 12:17:51,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,759 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-16 12:17:51,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:17:51,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2022-11-16 12:17:51,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,800 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-16 12:17:51,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:17:51,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:17:51,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:17:51,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:17:51,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:17:51,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:17:51,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:17:51,830 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:17:51,847 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:17:51,847 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:17:51,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:51,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:51,855 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:51,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:17:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-11-16 12:17:51,879 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:17:51,879 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:17:51,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8 Supporting invariants [] [2022-11-16 12:17:51,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2022-11-16 12:17:52,217 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2022-11-16 12:17:52,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2022-11-16 12:17:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:52,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 12:17:52,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:53,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:53,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:53,294 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-16 12:17:53,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:53,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-16 12:17:53,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:17:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-16 12:17:53,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-16 12:17:53,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:53,707 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:17:53,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:53,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 12:17:53,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:54,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:54,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:54,699 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-16 12:17:54,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:55,156 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-16 12:17:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:17:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-16 12:17:55,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-16 12:17:55,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:55,160 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:17:55,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:55,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 12:17:55,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:56,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:17:56,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:56,218 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-16 12:17:56,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:57,228 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 190 states and 247 transitions. Complement of second has 38 states. [2022-11-16 12:17:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 26 states 22 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:17:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 144 transitions. [2022-11-16 12:17:57,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-16 12:17:57,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:57,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 86 letters. Loop has 2 letters. [2022-11-16 12:17:57,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:57,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 4 letters. [2022-11-16 12:17:57,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:17:57,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 247 transitions. [2022-11-16 12:17:57,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:17:57,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 185 states and 240 transitions. [2022-11-16 12:17:57,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:17:57,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:17:57,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 240 transitions. [2022-11-16 12:17:57,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:17:57,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 240 transitions. [2022-11-16 12:17:57,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 240 transitions. [2022-11-16 12:17:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 108. [2022-11-16 12:17:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.2314814814814814) internal successors, (133), 107 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2022-11-16 12:17:57,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-16 12:17:57,241 INFO L428 stractBuchiCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-16 12:17:57,241 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-16 12:17:57,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 133 transitions. [2022-11-16 12:17:57,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:57,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:57,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:57,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:57,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:17:57,244 INFO L748 eck$LassoCheckResult]: Stem: 19046#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19047#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19054#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 19060#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19055#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19056#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19057#L521 assume !(main_~val~0#1 < 0); 19096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19052#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19053#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19058#L521 assume !(main_~val~0#1 < 0); 19050#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19051#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19095#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19094#L521 assume !(main_~val~0#1 < 0); 19093#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19092#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19091#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19090#L521 assume !(main_~val~0#1 < 0); 19089#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19088#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19087#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19086#L521 assume !(main_~val~0#1 < 0); 19085#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19084#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19083#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19082#L521 assume !(main_~val~0#1 < 0); 19081#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19080#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19079#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19078#L521 assume !(main_~val~0#1 < 0); 19077#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19076#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19075#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19074#L521 assume !(main_~val~0#1 < 0); 19073#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19072#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19071#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19070#L521 assume !(main_~val~0#1 < 0); 19069#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19068#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19066#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19067#L521 assume !(main_~val~0#1 < 0); 19147#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19146#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19145#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 19144#L519-4 main_~j~0#1 := 0; 19143#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19141#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19140#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19139#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19049#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19045#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19059#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19040#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19041#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19137#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19136#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19135#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19134#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19132#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19131#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19130#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19129#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19127#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19126#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19125#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19124#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19122#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19121#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19120#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19119#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19117#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19116#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19115#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19114#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19112#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19110#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19109#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19107#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19106#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19105#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19104#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19103#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19100#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19099#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19097#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19043#L527-3 [2022-11-16 12:17:57,244 INFO L750 eck$LassoCheckResult]: Loop: 19043#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19042#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19043#L527-3 [2022-11-16 12:17:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1412762337, now seen corresponding path program 25 times [2022-11-16 12:17:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:57,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031169906] [2022-11-16 12:17:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 153 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:57,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:57,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031169906] [2022-11-16 12:17:57,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031169906] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:17:57,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908931639] [2022-11-16 12:17:57,914 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 12:17:57,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:17:57,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:57,916 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:17:57,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (257)] Waiting until timeout for monitored process [2022-11-16 12:17:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:58,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:17:58,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:17:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:58,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:17:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:59,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908931639] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:17:59,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:17:59,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2022-11-16 12:17:59,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176143439] [2022-11-16 12:17:59,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:17:59,139 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:17:59,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 25 times [2022-11-16 12:17:59,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:59,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401536842] [2022-11-16 12:17:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:59,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:59,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-16 12:17:59,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2022-11-16 12:17:59,200 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. cyclomatic complexity: 38 Second operand has 38 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 38 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:59,678 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2022-11-16 12:17:59,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 190 transitions. [2022-11-16 12:17:59,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:59,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 104 states and 128 transitions. [2022-11-16 12:17:59,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:17:59,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:17:59,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 128 transitions. [2022-11-16 12:17:59,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:17:59,681 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 128 transitions. [2022-11-16 12:17:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 128 transitions. [2022-11-16 12:17:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-16 12:17:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 100 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2022-11-16 12:17:59,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-16 12:17:59,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:17:59,684 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-16 12:17:59,684 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-16 12:17:59,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 124 transitions. [2022-11-16 12:17:59,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:17:59,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:59,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:59,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:59,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:17:59,687 INFO L748 eck$LassoCheckResult]: Stem: 19897#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19898#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19904#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 19910#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19905#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19906#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19907#L521 assume !(main_~val~0#1 < 0); 19901#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19902#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19903#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19908#L521 assume !(main_~val~0#1 < 0); 19991#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19990#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19989#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19988#L521 assume !(main_~val~0#1 < 0); 19987#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19986#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19985#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19984#L521 assume !(main_~val~0#1 < 0); 19983#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19982#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19981#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19980#L521 assume !(main_~val~0#1 < 0); 19979#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19978#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19977#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19976#L521 assume !(main_~val~0#1 < 0); 19975#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19974#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19973#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19972#L521 assume !(main_~val~0#1 < 0); 19971#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19970#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19969#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19968#L521 assume !(main_~val~0#1 < 0); 19967#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19966#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19965#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19964#L521 assume !(main_~val~0#1 < 0); 19963#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19962#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19961#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19960#L521 assume !(main_~val~0#1 < 0); 19959#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19958#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19957#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19913#L521 assume !(main_~val~0#1 < 0); 19919#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19916#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19912#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 19911#L519-4 main_~j~0#1 := 0; 19899#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19909#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19891#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19892#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19900#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19955#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19954#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19953#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19951#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19950#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19949#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19948#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19946#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19945#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19944#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19943#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19941#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19940#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19939#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19938#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19936#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19935#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19934#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19933#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19931#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19930#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19929#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19928#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19926#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19925#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19924#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19923#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19922#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19918#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19917#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19914#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19894#L527-3 [2022-11-16 12:17:59,687 INFO L750 eck$LassoCheckResult]: Loop: 19894#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19893#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19894#L527-3 [2022-11-16 12:17:59,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 221080131, now seen corresponding path program 26 times [2022-11-16 12:17:59,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:59,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471080295] [2022-11-16 12:17:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 26 times [2022-11-16 12:17:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:59,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179222129] [2022-11-16 12:17:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:59,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2004609928, now seen corresponding path program 15 times [2022-11-16 12:17:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:59,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423767253] [2022-11-16 12:17:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:59,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:13,769 WARN L233 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 395 DAG size of output: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:18:15,575 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:18:15,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:18:15,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:18:15,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:18:15,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:18:15,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:15,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:18:15,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:18:15,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration29_Lasso [2022-11-16 12:18:15,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:18:15,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:18:15,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:15,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:18,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:18,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:19,361 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:18:19,361 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:18:19,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,362 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-11-16 12:18:19,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2022-11-16 12:18:19,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,393 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-16 12:18:19,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2022-11-16 12:18:19,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,415 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-16 12:18:19,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Ended with exit code 0 [2022-11-16 12:18:19,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,437 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-16 12:18:19,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-11-16 12:18:19,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,462 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-16 12:18:19,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-11-16 12:18:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,484 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-16 12:18:19,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:19,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,506 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-16 12:18:19,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-11-16 12:18:19,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,534 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-16 12:18:19,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-16 12:18:19,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,556 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-16 12:18:19,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:19,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:19,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:19,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2022-11-16 12:18:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,578 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-16 12:18:19,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-11-16 12:18:19,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,606 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-16 12:18:19,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-11-16 12:18:19,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,633 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-16 12:18:19,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:19,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2022-11-16 12:18:19,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,658 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-16 12:18:19,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:19,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:19,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:19,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:19,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:19,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:19,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:19,688 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:18:19,706 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 12:18:19,706 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:18:19,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:19,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:19,710 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:19,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-11-16 12:18:19,711 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:18:19,724 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:18:19,724 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:18:19,724 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1 Supporting invariants [] [2022-11-16 12:18:19,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2022-11-16 12:18:19,888 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-16 12:18:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:20,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:18:20,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:20,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:20,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:20,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-16 12:18:20,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:20,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-16 12:18:20,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:18:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:18:20,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-16 12:18:20,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:20,439 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:18:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:20,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:18:20,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:20,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:20,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:20,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:20,945 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-16 12:18:20,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:20,978 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-16 12:18:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:18:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:18:20,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-16 12:18:20,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:20,980 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:18:21,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:21,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:18:21,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:21,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:21,453 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-16 12:18:21,453 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:21,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 124 states and 159 transitions. Complement of second has 26 states. [2022-11-16 12:18:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:18:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 81 transitions. [2022-11-16 12:18:21,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-16 12:18:21,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:21,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 90 letters. Loop has 2 letters. [2022-11-16 12:18:21,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:21,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 4 letters. [2022-11-16 12:18:21,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:21,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 159 transitions. [2022-11-16 12:18:21,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:18:21,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 152 transitions. [2022-11-16 12:18:21,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:18:21,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:18:21,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 152 transitions. [2022-11-16 12:18:21,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:18:21,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 152 transitions. [2022-11-16 12:18:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 152 transitions. [2022-11-16 12:18:21,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 106. [2022-11-16 12:18:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 105 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 130 transitions. [2022-11-16 12:18:21,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-16 12:18:21,812 INFO L428 stractBuchiCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-16 12:18:21,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-16 12:18:21,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 130 transitions. [2022-11-16 12:18:21,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:18:21,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:18:21,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:18:21,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:18:21,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:18:21,815 INFO L748 eck$LassoCheckResult]: Stem: 21367#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 21368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 21375#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 21382#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 21376#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 21377#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21378#L521 assume !(main_~val~0#1 < 0); 21372#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21373#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21374#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21379#L521 assume !(main_~val~0#1 < 0); 21380#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21421#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21420#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21419#L521 assume !(main_~val~0#1 < 0); 21418#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21417#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21416#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21415#L521 assume !(main_~val~0#1 < 0); 21414#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21413#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21412#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21411#L521 assume !(main_~val~0#1 < 0); 21410#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21409#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21408#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21407#L521 assume !(main_~val~0#1 < 0); 21406#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21405#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21404#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21403#L521 assume !(main_~val~0#1 < 0); 21402#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21401#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21400#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21399#L521 assume !(main_~val~0#1 < 0); 21398#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21397#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21396#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21395#L521 assume !(main_~val~0#1 < 0); 21394#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21393#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21392#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21391#L521 assume !(main_~val~0#1 < 0); 21390#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21388#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21385#L521 assume !(main_~val~0#1 < 0); 21387#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21386#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21384#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 21383#L519-4 main_~j~0#1 := 0; 21369#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21370#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21465#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21464#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21371#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21366#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21381#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21361#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21362#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21462#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21461#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21460#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21459#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21457#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21456#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21455#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21454#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21452#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21451#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21450#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21449#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21447#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21446#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21445#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21444#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21442#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21441#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21440#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21439#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21437#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21436#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21435#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21434#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21432#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21431#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21430#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21429#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21428#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21425#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21424#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21422#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21364#L527-3 [2022-11-16 12:18:21,816 INFO L750 eck$LassoCheckResult]: Loop: 21364#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21363#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 21364#L527-3 [2022-11-16 12:18:21,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:21,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2010175208, now seen corresponding path program 27 times [2022-11-16 12:18:21,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:21,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836251843] [2022-11-16 12:18:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:21,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:21,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 27 times [2022-11-16 12:18:21,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:21,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352872304] [2022-11-16 12:18:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:21,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:21,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:21,950 INFO L85 PathProgramCache]: Analyzing trace with hash 956909853, now seen corresponding path program 16 times [2022-11-16 12:18:21,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:21,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704783337] [2022-11-16 12:18:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:21,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:21,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:22,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:39,721 WARN L233 SmtUtils]: Spent 17.63s on a formula simplification. DAG size of input: 409 DAG size of output: 311 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:18:40,828 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:18:40,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:18:40,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:18:40,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:18:40,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:18:40,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:40,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:18:40,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:18:40,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration30_Lasso [2022-11-16 12:18:40,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:18:40,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:18:40,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:40,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:43,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:18:44,007 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:18:44,008 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:18:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,009 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-11-16 12:18:44,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:44,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:44,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:44,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2022-11-16 12:18:44,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,054 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-11-16 12:18:44,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,108 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-11-16 12:18:44,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:44,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:44,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:44,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,160 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-11-16 12:18:44,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,204 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-11-16 12:18:44,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:44,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:44,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:44,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,244 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-11-16 12:18:44,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:18:44,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:18:44,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:18:44,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,284 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-11-16 12:18:44,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,328 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-11-16 12:18:44,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,376 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-11-16 12:18:44,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,429 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-11-16 12:18:44,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,477 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-11-16 12:18:44,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:18:44,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,528 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:18:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-11-16 12:18:44,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:18:44,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:18:44,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:18:44,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:18:44,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:18:44,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:18:44,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:18:44,591 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:18:44,591 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-16 12:18:44,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:18:44,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:44,593 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:18:44,599 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:18:44,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2022-11-16 12:18:44,635 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:18:44,636 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:18:44,636 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10 Supporting invariants [] [2022-11-16 12:18:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:44,798 INFO L156 tatePredicateManager]: 30 out of 31 supporting invariants were superfluous and have been removed [2022-11-16 12:18:44,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:44,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 12:18:44,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:45,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2022-11-16 12:18:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:45,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:45,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:45,936 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-16 12:18:45,937 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:46,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-16 12:18:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:18:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-16 12:18:46,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-16 12:18:46,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:46,440 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:18:46,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:46,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 12:18:46,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:47,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:47,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:47,570 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-16 12:18:47,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:47,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-16 12:18:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:18:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:47,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-16 12:18:47,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-16 12:18:47,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:47,984 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:18:48,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:48,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 12:18:48,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:49,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:18:49,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:49,120 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-16 12:18:49,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:50,291 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 206 states and 268 transitions. Complement of second has 41 states. [2022-11-16 12:18:50,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 28 states 24 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:18:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 155 transitions. [2022-11-16 12:18:50,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-16 12:18:50,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:50,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 94 letters. Loop has 2 letters. [2022-11-16 12:18:50,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:50,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 4 letters. [2022-11-16 12:18:50,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:18:50,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2022-11-16 12:18:50,295 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:18:50,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 201 states and 261 transitions. [2022-11-16 12:18:50,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:18:50,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:18:50,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 261 transitions. [2022-11-16 12:18:50,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:18:50,297 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 261 transitions. [2022-11-16 12:18:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 261 transitions. [2022-11-16 12:18:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 117. [2022-11-16 12:18:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 116 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2022-11-16 12:18:50,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-16 12:18:50,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-16 12:18:50,301 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-16 12:18:50,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 144 transitions. [2022-11-16 12:18:50,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:18:50,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:18:50,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:18:50,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:18:50,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:18:50,303 INFO L748 eck$LassoCheckResult]: Stem: 23098#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 23099#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 23106#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 23112#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 23107#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 23108#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23109#L521 assume !(main_~val~0#1 < 0); 23152#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23104#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23105#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23110#L521 assume !(main_~val~0#1 < 0); 23102#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23103#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23151#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23150#L521 assume !(main_~val~0#1 < 0); 23149#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23148#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23147#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23146#L521 assume !(main_~val~0#1 < 0); 23145#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23144#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23143#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23142#L521 assume !(main_~val~0#1 < 0); 23141#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23140#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23139#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23138#L521 assume !(main_~val~0#1 < 0); 23137#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23136#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23135#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23134#L521 assume !(main_~val~0#1 < 0); 23133#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23132#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23131#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23130#L521 assume !(main_~val~0#1 < 0); 23129#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23128#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23127#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23126#L521 assume !(main_~val~0#1 < 0); 23125#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23124#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23123#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23122#L521 assume !(main_~val~0#1 < 0); 23121#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23120#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23118#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23119#L521 assume !(main_~val~0#1 < 0); 23208#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23207#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23206#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 23205#L519-4 main_~j~0#1 := 0; 23204#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23202#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23201#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23200#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23101#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23097#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23092#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23093#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23198#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23197#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23196#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23195#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23193#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23192#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23191#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23190#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23188#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23187#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23186#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23185#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23183#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23182#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23181#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23180#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23177#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23176#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23175#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23173#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23172#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23171#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23170#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23168#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23167#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23166#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23165#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23163#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23162#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23161#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23160#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23159#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23156#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23155#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23153#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23095#L527-3 [2022-11-16 12:18:50,303 INFO L750 eck$LassoCheckResult]: Loop: 23095#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23094#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 23095#L527-3 [2022-11-16 12:18:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:50,303 INFO L85 PathProgramCache]: Analyzing trace with hash 467367277, now seen corresponding path program 28 times [2022-11-16 12:18:50,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:50,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518325147] [2022-11-16 12:18:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:18:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 190 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:51,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:18:51,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518325147] [2022-11-16 12:18:51,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518325147] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:18:51,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530974149] [2022-11-16 12:18:51,035 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:18:51,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:18:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:18:51,039 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:18:51,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (285)] Waiting until timeout for monitored process [2022-11-16 12:18:51,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:18:51,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:18:51,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 12:18:51,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:18:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:52,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:18:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:18:52,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530974149] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:18:52,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:18:52,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2022-11-16 12:18:52,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568605683] [2022-11-16 12:18:52,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:18:52,475 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:18:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 28 times [2022-11-16 12:18:52,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:52,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678022438] [2022-11-16 12:18:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:52,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:52,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:52,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:52,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:18:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-16 12:18:52,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2022-11-16 12:18:52,533 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. cyclomatic complexity: 41 Second operand has 41 states, 40 states have (on average 3.8) internal successors, (152), 41 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:18:53,168 INFO L93 Difference]: Finished difference Result 170 states and 207 transitions. [2022-11-16 12:18:53,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 207 transitions. [2022-11-16 12:18:53,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:18:53,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 113 states and 139 transitions. [2022-11-16 12:18:53,170 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:18:53,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:18:53,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 139 transitions. [2022-11-16 12:18:53,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:18:53,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 139 transitions. [2022-11-16 12:18:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 139 transitions. [2022-11-16 12:18:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2022-11-16 12:18:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 109 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:18:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2022-11-16 12:18:53,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-16 12:18:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 12:18:53,174 INFO L428 stractBuchiCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-16 12:18:53,174 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-16 12:18:53,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 135 transitions. [2022-11-16 12:18:53,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:18:53,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:18:53,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:18:53,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:18:53,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:18:53,176 INFO L748 eck$LassoCheckResult]: Stem: 24021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 24022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 24032#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 24039#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 24033#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 24034#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24035#L521 assume !(main_~val~0#1 < 0); 24029#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24030#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24031#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24036#L521 assume !(main_~val~0#1 < 0); 24128#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24127#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24126#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24125#L521 assume !(main_~val~0#1 < 0); 24124#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24123#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24122#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24121#L521 assume !(main_~val~0#1 < 0); 24120#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24119#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24118#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24117#L521 assume !(main_~val~0#1 < 0); 24116#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24115#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24114#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24113#L521 assume !(main_~val~0#1 < 0); 24112#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24111#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24110#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24109#L521 assume !(main_~val~0#1 < 0); 24108#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24107#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24106#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24105#L521 assume !(main_~val~0#1 < 0); 24104#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24103#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24102#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24101#L521 assume !(main_~val~0#1 < 0); 24100#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24099#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24098#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24097#L521 assume !(main_~val~0#1 < 0); 24096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24095#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24094#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24093#L521 assume !(main_~val~0#1 < 0); 24092#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24091#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24090#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24042#L521 assume !(main_~val~0#1 < 0); 24048#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24043#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24041#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 24040#L519-4 main_~j~0#1 := 0; 24027#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24028#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24037#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24019#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24020#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24026#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24089#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24088#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24087#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24085#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24084#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24083#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24082#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24080#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24079#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24078#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24077#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24075#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24074#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24073#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24072#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24070#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24069#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24068#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24067#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24065#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24064#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24063#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24062#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24060#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24059#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24058#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24057#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24055#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24054#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24053#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24052#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24051#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24047#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24046#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24044#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24024#L527-3 [2022-11-16 12:18:53,177 INFO L750 eck$LassoCheckResult]: Loop: 24024#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24023#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 24024#L527-3 [2022-11-16 12:18:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1861662865, now seen corresponding path program 29 times [2022-11-16 12:18:53,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:53,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564243548] [2022-11-16 12:18:53,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:53,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:53,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 29 times [2022-11-16 12:18:53,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:53,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958849711] [2022-11-16 12:18:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:18:53,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:18:53,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1943347626, now seen corresponding path program 17 times [2022-11-16 12:18:53,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:18:53,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848383791] [2022-11-16 12:18:53,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:18:53,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:18:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:18:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:18:53,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:11,477 WARN L233 SmtUtils]: Spent 18.05s on a formula simplification. DAG size of input: 428 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:19:13,704 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:19:13,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:19:13,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:19:13,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:19:13,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:19:13,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:13,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:19:13,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:19:13,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration32_Lasso [2022-11-16 12:19:13,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:19:13,705 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:19:13,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:13,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:20,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:21,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:19:21,055 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:19:21,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,056 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2022-11-16 12:19:21,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,105 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-11-16 12:19:21,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2022-11-16 12:19:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,130 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-11-16 12:19:21,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,183 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-11-16 12:19:21,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,236 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-11-16 12:19:21,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Ended with exit code 0 [2022-11-16 12:19:21,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,270 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-11-16 12:19:21,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2022-11-16 12:19:21,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,291 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-11-16 12:19:21,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,314 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-11-16 12:19:21,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:21,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:21,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:21,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,339 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-11-16 12:19:21,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Ended with exit code 0 [2022-11-16 12:19:21,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,366 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-11-16 12:19:21,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2022-11-16 12:19:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,391 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-11-16 12:19:21,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,416 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-11-16 12:19:21,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2022-11-16 12:19:21,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,443 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-11-16 12:19:21,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:21,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2022-11-16 12:19:21,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,468 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-11-16 12:19:21,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:21,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:21,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:21,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:21,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:21,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:21,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:21,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:19:21,507 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-16 12:19:21,507 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-16 12:19:21,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:21,511 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:21,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-11-16 12:19:21,513 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:19:21,528 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:19:21,529 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:19:21,529 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8 Supporting invariants [] [2022-11-16 12:19:21,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2022-11-16 12:19:21,796 INFO L156 tatePredicateManager]: 44 out of 45 supporting invariants were superfluous and have been removed [2022-11-16 12:19:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:21,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:21,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 12:19:21,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:23,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:23,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:23,063 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-16 12:19:23,063 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:23,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-16 12:19:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:19:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-16 12:19:23,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-16 12:19:23,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:23,573 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:19:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:23,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 12:19:23,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:24,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:24,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:24,585 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-16 12:19:24,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:25,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-16 12:19:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:19:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-16 12:19:25,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-16 12:19:25,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:25,034 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:19:25,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:25,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 12:19:25,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:26,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:26,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:26,266 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-16 12:19:26,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:27,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 210 states and 273 transitions. Complement of second has 42 states. [2022-11-16 12:19:27,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 29 states 25 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:19:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 160 transitions. [2022-11-16 12:19:27,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-16 12:19:27,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:27,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 98 letters. Loop has 2 letters. [2022-11-16 12:19:27,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:27,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 4 letters. [2022-11-16 12:19:27,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:27,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 273 transitions. [2022-11-16 12:19:27,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:19:27,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 205 states and 266 transitions. [2022-11-16 12:19:27,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:19:27,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:19:27,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 266 transitions. [2022-11-16 12:19:27,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:19:27,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2022-11-16 12:19:27,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 266 transitions. [2022-11-16 12:19:27,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-16 12:19:27,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.2314049586776858) internal successors, (149), 120 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2022-11-16 12:19:27,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-16 12:19:27,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-16 12:19:27,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-16 12:19:27,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 149 transitions. [2022-11-16 12:19:27,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:19:27,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:19:27,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:19:27,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:27,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:19:27,542 INFO L748 eck$LassoCheckResult]: Stem: 25873#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 25874#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 25881#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 25887#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 25882#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 25883#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25884#L521 assume !(main_~val~0#1 < 0); 25931#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25879#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25880#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25885#L521 assume !(main_~val~0#1 < 0); 25877#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25878#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25930#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25929#L521 assume !(main_~val~0#1 < 0); 25928#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25927#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25926#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25925#L521 assume !(main_~val~0#1 < 0); 25924#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25923#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25922#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25921#L521 assume !(main_~val~0#1 < 0); 25920#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25919#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25918#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25917#L521 assume !(main_~val~0#1 < 0); 25916#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25915#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25914#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25913#L521 assume !(main_~val~0#1 < 0); 25912#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25911#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25910#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25909#L521 assume !(main_~val~0#1 < 0); 25908#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25907#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25906#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25905#L521 assume !(main_~val~0#1 < 0); 25904#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25903#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25902#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25901#L521 assume !(main_~val~0#1 < 0); 25900#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25899#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25898#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25897#L521 assume !(main_~val~0#1 < 0); 25896#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25895#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25894#L521 assume !(main_~val~0#1 < 0); 25987#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25986#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25985#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 25984#L519-4 main_~j~0#1 := 0; 25983#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25981#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25980#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25979#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25876#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25872#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25886#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25867#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25868#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25977#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25976#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25975#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25974#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25972#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25971#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25970#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25969#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25967#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25966#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25965#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25964#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25962#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25961#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25960#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25959#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25957#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25956#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25955#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25954#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25952#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25951#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25950#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25949#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25947#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25946#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25945#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25944#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25942#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25941#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25940#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25939#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25938#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25935#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25934#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25932#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25870#L527-3 [2022-11-16 12:19:27,542 INFO L750 eck$LassoCheckResult]: Loop: 25870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25869#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 25870#L527-3 [2022-11-16 12:19:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash 753705062, now seen corresponding path program 30 times [2022-11-16 12:19:27,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:27,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490418446] [2022-11-16 12:19:27,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:27,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:27,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 30 times [2022-11-16 12:19:27,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:27,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409145938] [2022-11-16 12:19:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:27,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1538906901, now seen corresponding path program 18 times [2022-11-16 12:19:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:27,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280621040] [2022-11-16 12:19:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:27,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:49,400 WARN L233 SmtUtils]: Spent 21.59s on a formula simplification. DAG size of input: 442 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:19:50,705 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:19:50,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:19:50,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:19:50,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:19:50,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:19:50,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:50,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:19:50,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:19:50,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration33_Lasso [2022-11-16 12:19:50,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:19:50,706 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:19:50,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:50,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:50,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:50,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:53,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:19:54,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:19:54,281 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:19:54,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,283 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-11-16 12:19:54,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Ended with exit code 0 [2022-11-16 12:19:54,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,312 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-11-16 12:19:54,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:54,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:54,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:54,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2022-11-16 12:19:54,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,334 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-11-16 12:19:54,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:19:54,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:19:54,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:19:54,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2022-11-16 12:19:54,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,355 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-11-16 12:19:54,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Ended with exit code 0 [2022-11-16 12:19:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,382 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-11-16 12:19:54,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,412 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2022-11-16 12:19:54,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Ended with exit code 0 [2022-11-16 12:19:54,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,453 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-11-16 12:19:54,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2022-11-16 12:19:54,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,481 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-11-16 12:19:54,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-11-16 12:19:54,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,507 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-11-16 12:19:54,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2022-11-16 12:19:54,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,537 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-11-16 12:19:54,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,587 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-11-16 12:19:54,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,643 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-11-16 12:19:54,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,693 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-11-16 12:19:54,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:19:54,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,743 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:19:54,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-11-16 12:19:54,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:19:54,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:19:54,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:19:54,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:19:54,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:19:54,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:19:54,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:19:54,805 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-16 12:19:54,806 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:19:54,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:54,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:54,807 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:54,811 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:19:54,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-11-16 12:19:54,851 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:19:54,852 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:19:54,852 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-16 12:19:54,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:54,923 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-16 12:19:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:55,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 12:19:55,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:55,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:55,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:55,534 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-16 12:19:55,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:55,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-16 12:19:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:19:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:19:55,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:19:55,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:55,576 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:19:55,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:55,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 12:19:55,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:56,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:56,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:56,173 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-16 12:19:56,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:56,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-16 12:19:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:19:56,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:19:56,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:19:56,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:56,226 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:19:56,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:56,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2022-11-16 12:19:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:56,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 12:19:56,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:56,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:19:56,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:19:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:56,799 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-16 12:19:56,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:57,248 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 213 states and 277 transitions. Complement of second has 30 states. [2022-11-16 12:19:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:19:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 93 transitions. [2022-11-16 12:19:57,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:19:57,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:57,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-16 12:19:57,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:57,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-16 12:19:57,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:19:57,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 277 transitions. [2022-11-16 12:19:57,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:19:57,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 208 states and 270 transitions. [2022-11-16 12:19:57,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:19:57,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:19:57,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 270 transitions. [2022-11-16 12:19:57,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:19:57,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 208 states and 270 transitions. [2022-11-16 12:19:57,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 270 transitions. [2022-11-16 12:19:57,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 178. [2022-11-16 12:19:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 177 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:19:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 219 transitions. [2022-11-16 12:19:57,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-16 12:19:57,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-16 12:19:57,260 INFO L335 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2022-11-16 12:19:57,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 219 transitions. [2022-11-16 12:19:57,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:19:57,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:19:57,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:19:57,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:57,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:19:57,263 INFO L748 eck$LassoCheckResult]: Stem: 27542#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 27543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27554#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 27561#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 27555#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 27556#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27557#L521 assume !(main_~val~0#1 < 0); 27551#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27552#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27553#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27558#L521 assume !(main_~val~0#1 < 0); 27559#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27605#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27604#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27603#L521 assume !(main_~val~0#1 < 0); 27602#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27601#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27600#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27599#L521 assume !(main_~val~0#1 < 0); 27598#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27597#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27596#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27595#L521 assume !(main_~val~0#1 < 0); 27594#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27593#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27592#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27591#L521 assume !(main_~val~0#1 < 0); 27590#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27589#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27588#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27587#L521 assume !(main_~val~0#1 < 0); 27586#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27585#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27584#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27583#L521 assume !(main_~val~0#1 < 0); 27582#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27581#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27580#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27579#L521 assume !(main_~val~0#1 < 0); 27578#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27577#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27576#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27575#L521 assume !(main_~val~0#1 < 0); 27574#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27573#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27572#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27571#L521 assume !(main_~val~0#1 < 0); 27570#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27569#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27568#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27567#L521 assume !(main_~val~0#1 < 0); 27566#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27565#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27564#L521 assume !(main_~val~0#1 < 0); 27672#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27671#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27670#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 27669#L519-4 main_~j~0#1 := 0; 27668#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27666#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27665#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27664#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27663#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27661#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27660#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27659#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27658#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27656#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27655#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27654#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27653#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27651#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27650#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27649#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27648#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27646#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27645#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27644#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27643#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27641#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27640#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27639#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27638#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27636#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27635#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27634#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27633#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27630#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27629#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27628#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27627#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27625#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27623#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27621#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27620#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27618#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27617#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27616#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27606#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27545#L527-3 [2022-11-16 12:19:57,263 INFO L750 eck$LassoCheckResult]: Loop: 27545#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27544#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 27545#L527-3 [2022-11-16 12:19:57,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:57,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2146966646, now seen corresponding path program 31 times [2022-11-16 12:19:57,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:57,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870414864] [2022-11-16 12:19:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:57,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:57,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 31 times [2022-11-16 12:19:57,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:57,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794340194] [2022-11-16 12:19:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:57,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:57,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1650643185, now seen corresponding path program 19 times [2022-11-16 12:19:57,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:57,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043610239] [2022-11-16 12:19:57,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:57,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:41,409 WARN L233 SmtUtils]: Spent 43.89s on a formula simplification. DAG size of input: 447 DAG size of output: 338 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:20:42,856 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:20:42,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:20:42,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:20:42,857 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:20:42,857 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:20:42,857 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:42,857 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:20:42,857 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:20:42,857 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration34_Lasso [2022-11-16 12:20:42,857 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:20:42,857 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:20:42,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:42,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:46,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:46,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,806 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:20:47,806 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:20:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,807 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-11-16 12:20:47,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:47,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:47,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2022-11-16 12:20:47,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,833 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-11-16 12:20:47,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2022-11-16 12:20:47,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,854 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-11-16 12:20:47,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2022-11-16 12:20:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,876 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-11-16 12:20:47,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:47,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:47,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2022-11-16 12:20:47,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,901 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-11-16 12:20:47,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2022-11-16 12:20:47,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,922 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-11-16 12:20:47,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:47,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:47,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-11-16 12:20:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,947 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-11-16 12:20:47,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:47,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:47,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2022-11-16 12:20:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,972 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-11-16 12:20:47,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2022-11-16 12:20:47,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,994 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-11-16 12:20:48,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2022-11-16 12:20:48,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,040 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-11-16 12:20:48,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Ended with exit code 0 [2022-11-16 12:20:48,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,065 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-11-16 12:20:48,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2022-11-16 12:20:48,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,090 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-11-16 12:20:48,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2022-11-16 12:20:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,120 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-11-16 12:20:48,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2022-11-16 12:20:48,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,150 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-11-16 12:20:48,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2022-11-16 12:20:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,182 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-11-16 12:20:48,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2022-11-16 12:20:48,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,222 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-11-16 12:20:48,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2022-11-16 12:20:48,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,249 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-11-16 12:20:48,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2022-11-16 12:20:48,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,280 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-11-16 12:20:48,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:20:48,322 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:20:48,323 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:20:48,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,324 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-11-16 12:20:48,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:20:48,340 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:20:48,340 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:20:48,340 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-16 12:20:48,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,633 INFO L156 tatePredicateManager]: 48 out of 49 supporting invariants were superfluous and have been removed [2022-11-16 12:20:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:48,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 12:20:48,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:49,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:49,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:20:49,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,878 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-16 12:20:49,879 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:50,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-16 12:20:50,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:20:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-16 12:20:50,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:20:50,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:50,510 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:20:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:50,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 12:20:50,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:51,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:20:51,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:51,819 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-16 12:20:51,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:52,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-16 12:20:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:20:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-16 12:20:52,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:20:52,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:52,396 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:20:52,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:52,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 12:20:52,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:20:53,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:53,635 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-16 12:20:53,636 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,826 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 311 states and 408 transitions. Complement of second has 44 states. [2022-11-16 12:20:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 30 states 26 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:20:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 173 transitions. [2022-11-16 12:20:54,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-16 12:20:54,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:54,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-16 12:20:54,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:54,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-16 12:20:54,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:54,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 408 transitions. [2022-11-16 12:20:54,831 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:54,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 306 states and 401 transitions. [2022-11-16 12:20:54,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-16 12:20:54,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-16 12:20:54,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 401 transitions. [2022-11-16 12:20:54,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:54,834 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 401 transitions. [2022-11-16 12:20:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 401 transitions. [2022-11-16 12:20:54,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 182. [2022-11-16 12:20:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2362637362637363) internal successors, (225), 181 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2022-11-16 12:20:54,839 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-16 12:20:54,839 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-16 12:20:54,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2022-11-16 12:20:54,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 225 transitions. [2022-11-16 12:20:54,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:54,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:54,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:54,842 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:54,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:54,842 INFO L748 eck$LassoCheckResult]: Stem: 29763#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29764#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 29771#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 29777#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 29772#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 29773#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29774#L521 assume !(main_~val~0#1 < 0); 29824#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29769#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29770#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29775#L521 assume !(main_~val~0#1 < 0); 29767#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29768#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29822#L521 assume !(main_~val~0#1 < 0); 29821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29819#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29818#L521 assume !(main_~val~0#1 < 0); 29817#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29816#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29815#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29814#L521 assume !(main_~val~0#1 < 0); 29813#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29812#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29811#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29810#L521 assume !(main_~val~0#1 < 0); 29809#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29808#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29807#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29806#L521 assume !(main_~val~0#1 < 0); 29805#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29804#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29803#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29802#L521 assume !(main_~val~0#1 < 0); 29801#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29800#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29799#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29798#L521 assume !(main_~val~0#1 < 0); 29797#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29796#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29795#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29794#L521 assume !(main_~val~0#1 < 0); 29793#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29792#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29791#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29790#L521 assume !(main_~val~0#1 < 0); 29789#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29788#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29786#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29787#L521 assume !(main_~val~0#1 < 0); 29783#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29784#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29779#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 29778#L519-4 main_~j~0#1 := 0; 29765#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29766#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29937#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29757#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29758#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29762#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29776#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29936#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29935#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29933#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29932#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29931#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29930#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29928#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29927#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29926#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29925#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29923#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29922#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29921#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29920#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29918#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29917#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29916#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29915#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29913#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29912#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29911#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29910#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29908#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29907#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29906#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29905#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29903#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29902#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29901#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29900#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29898#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29897#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29896#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29895#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29890#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29834#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29830#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29829#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29827#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29828#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29760#L527-3 [2022-11-16 12:20:54,843 INFO L750 eck$LassoCheckResult]: Loop: 29760#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29759#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 29760#L527-3 [2022-11-16 12:20:54,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1420782149, now seen corresponding path program 32 times [2022-11-16 12:20:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022522620] [2022-11-16 12:20:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 231 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:55,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:55,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022522620] [2022-11-16 12:20:55,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022522620] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:55,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037183502] [2022-11-16 12:20:55,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:20:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:55,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:55,654 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:55,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (335)] Waiting until timeout for monitored process [2022-11-16 12:20:55,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:20:55,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:20:55,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:20:55,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:56,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:57,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037183502] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:57,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:57,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2022-11-16 12:20:57,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760467159] [2022-11-16 12:20:57,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:57,215 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:57,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 32 times [2022-11-16 12:20:57,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:57,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981755567] [2022-11-16 12:20:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:57,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:57,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:57,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:57,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:57,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-16 12:20:57,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2022-11-16 12:20:57,282 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. cyclomatic complexity: 69 Second operand has 44 states, 43 states have (on average 3.813953488372093) internal successors, (164), 44 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:57,984 INFO L93 Difference]: Finished difference Result 244 states and 298 transitions. [2022-11-16 12:20:57,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 298 transitions. [2022-11-16 12:20:57,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:57,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 182 states and 224 transitions. [2022-11-16 12:20:57,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:20:57,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:20:57,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 224 transitions. [2022-11-16 12:20:57,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:57,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-16 12:20:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 224 transitions. [2022-11-16 12:20:57,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-16 12:20:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2307692307692308) internal successors, (224), 181 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-11-16 12:20:57,993 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-16 12:20:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 12:20:57,993 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-16 12:20:57,994 INFO L335 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2022-11-16 12:20:57,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 224 transitions. [2022-11-16 12:20:57,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:57,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:57,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:57,996 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:57,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:57,996 INFO L748 eck$LassoCheckResult]: Stem: 30882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 30883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 30889#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 30896#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 30890#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 30891#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30892#L521 assume !(main_~val~0#1 < 0); 30950#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30949#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30894#L521 assume !(main_~val~0#1 < 0); 30886#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30887#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30888#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30948#L521 assume !(main_~val~0#1 < 0); 30947#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30946#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30945#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30944#L521 assume !(main_~val~0#1 < 0); 30943#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30942#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30941#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30940#L521 assume !(main_~val~0#1 < 0); 30939#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30938#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30937#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30936#L521 assume !(main_~val~0#1 < 0); 30935#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30934#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30933#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30932#L521 assume !(main_~val~0#1 < 0); 30931#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30930#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30929#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30928#L521 assume !(main_~val~0#1 < 0); 30927#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30926#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30925#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30924#L521 assume !(main_~val~0#1 < 0); 30923#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30922#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30921#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30920#L521 assume !(main_~val~0#1 < 0); 30919#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30918#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30917#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30916#L521 assume !(main_~val~0#1 < 0); 30915#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30914#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30913#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30912#L521 assume !(main_~val~0#1 < 0); 30911#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30910#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30909#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30908#L521 assume !(main_~val~0#1 < 0); 30907#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30904#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30900#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30901#L521 assume !(main_~val~0#1 < 0); 31010#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 31009#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 31008#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 31007#L519-4 main_~j~0#1 := 0; 31006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 31004#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31003#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 31002#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 31001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30999#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30998#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30997#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30996#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30994#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30993#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30992#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30991#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30989#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30988#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30987#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30986#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30984#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30983#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30982#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30981#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30979#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30978#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30977#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30976#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30974#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30973#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30972#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30971#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30968#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30967#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30966#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30964#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30963#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30961#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30959#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30951#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30905#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30906#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30898#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30879#L527-3 [2022-11-16 12:20:57,997 INFO L750 eck$LassoCheckResult]: Loop: 30879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30878#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 30879#L527-3 [2022-11-16 12:20:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:57,997 INFO L85 PathProgramCache]: Analyzing trace with hash -30873085, now seen corresponding path program 33 times [2022-11-16 12:20:57,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:57,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721951224] [2022-11-16 12:20:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:57,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:58,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:58,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 33 times [2022-11-16 12:20:58,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:58,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578579377] [2022-11-16 12:20:58,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:58,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash 395737928, now seen corresponding path program 20 times [2022-11-16 12:20:58,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:58,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962346487] [2022-11-16 12:20:58,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:58,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:21:47,992 WARN L233 SmtUtils]: Spent 49.68s on a formula simplification. DAG size of input: 466 DAG size of output: 353 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:21:50,461 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:21:50,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:21:50,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:21:50,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:21:50,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:21:50,461 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:50,461 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:21:50,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:21:50,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration36_Lasso [2022-11-16 12:21:50,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:21:50,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:21:50,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:50,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:50,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:54,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:55,492 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:21:55,492 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:21:55,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,503 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2022-11-16 12:21:55,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:55,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,542 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-11-16 12:21:55,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Ended with exit code 0 [2022-11-16 12:21:55,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,574 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-11-16 12:21:55,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Ended with exit code 0 [2022-11-16 12:21:55,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,607 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-11-16 12:21:55,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Ended with exit code 0 [2022-11-16 12:21:55,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,637 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-11-16 12:21:55,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2022-11-16 12:21:55,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,665 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-11-16 12:21:55,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2022-11-16 12:21:55,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,697 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-11-16 12:21:55,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2022-11-16 12:21:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,725 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-11-16 12:21:55,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2022-11-16 12:21:55,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,757 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-11-16 12:21:55,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:55,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2022-11-16 12:21:55,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,785 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-11-16 12:21:55,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:55,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:55,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:55,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:55,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:55,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:55,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:55,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:21:55,826 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-16 12:21:55,826 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:21:55,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:55,830 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:55,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-11-16 12:21:55,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:21:55,845 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:21:55,845 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:21:55,845 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-16 12:21:55,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:55,978 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-16 12:21:56,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:56,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:21:56,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:56,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:21:56,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:21:56,520 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-16 12:21:56,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:56,558 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-16 12:21:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:21:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:21:56,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-16 12:21:56,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:56,560 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:21:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:56,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:21:56,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:57,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:57,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:21:57,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:21:57,153 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-16 12:21:57,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:57,195 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-16 12:21:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:21:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:21:57,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-16 12:21:57,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:57,197 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:21:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:57,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:21:57,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:57,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:21:57,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:21:57,760 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-16 12:21:57,761 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:58,168 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 279 transitions. Complement of second has 28 states. [2022-11-16 12:21:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:21:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 87 transitions. [2022-11-16 12:21:58,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-16 12:21:58,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:58,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 106 letters. Loop has 2 letters. [2022-11-16 12:21:58,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:58,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 4 letters. [2022-11-16 12:21:58,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:58,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 279 transitions. [2022-11-16 12:21:58,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:21:58,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 207 states and 269 transitions. [2022-11-16 12:21:58,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:21:58,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 12:21:58,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 269 transitions. [2022-11-16 12:21:58,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:21:58,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 269 transitions. [2022-11-16 12:21:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 269 transitions. [2022-11-16 12:21:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2022-11-16 12:21:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 123 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-16 12:21:58,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-16 12:21:58,178 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-16 12:21:58,179 INFO L335 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2022-11-16 12:21:58,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 152 transitions. [2022-11-16 12:21:58,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:21:58,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:21:58,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:21:58,181 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:21:58,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:21:58,181 INFO L748 eck$LassoCheckResult]: Stem: 32813#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 32814#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 32822#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 32829#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 32823#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 32824#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32825#L521 assume !(main_~val~0#1 < 0); 32818#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32819#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32826#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32827#L521 assume !(main_~val~0#1 < 0); 32880#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32879#L521 assume !(main_~val~0#1 < 0); 32878#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32877#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32876#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32875#L521 assume !(main_~val~0#1 < 0); 32874#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32873#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32871#L521 assume !(main_~val~0#1 < 0); 32870#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32869#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32868#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32867#L521 assume !(main_~val~0#1 < 0); 32866#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32865#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32864#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32863#L521 assume !(main_~val~0#1 < 0); 32862#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32861#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32860#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32859#L521 assume !(main_~val~0#1 < 0); 32858#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32857#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32856#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32855#L521 assume !(main_~val~0#1 < 0); 32854#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32853#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32852#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32851#L521 assume !(main_~val~0#1 < 0); 32850#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32849#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32848#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32847#L521 assume !(main_~val~0#1 < 0); 32846#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32845#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32844#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32843#L521 assume !(main_~val~0#1 < 0); 32842#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32841#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32840#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32832#L521 assume !(main_~val~0#1 < 0); 32839#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32837#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32831#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 32830#L519-4 main_~j~0#1 := 0; 32815#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32816#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32929#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32928#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32817#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32812#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32828#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32807#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32808#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32926#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32925#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32924#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32923#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32921#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32920#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32919#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32918#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32916#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32915#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32914#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32913#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32911#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32910#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32909#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32908#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32906#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32905#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32904#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32903#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32901#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32900#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32899#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32898#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32895#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32894#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32893#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32891#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32890#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32889#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32888#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32886#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32885#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32884#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32883#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32882#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32836#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32835#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32833#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32810#L527-3 [2022-11-16 12:21:58,182 INFO L750 eck$LassoCheckResult]: Loop: 32810#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32809#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 32810#L527-3 [2022-11-16 12:21:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1943554124, now seen corresponding path program 34 times [2022-11-16 12:21:58,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:21:58,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879558398] [2022-11-16 12:21:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:21:58,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:21:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:21:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:21:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 34 times [2022-11-16 12:21:58,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:21:58,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505825933] [2022-11-16 12:21:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:21:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:21:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:21:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:21:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash 555262137, now seen corresponding path program 21 times [2022-11-16 12:21:58,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:21:58,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993342222] [2022-11-16 12:21:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:21:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:21:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:21:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:21:58,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:30,699 WARN L233 SmtUtils]: Spent 32.24s on a formula simplification. DAG size of input: 475 DAG size of output: 361 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:22:33,347 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:22:33,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:22:33,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:22:33,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:22:33,348 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:22:33,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:33,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:22:33,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:22:33,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration37_Lasso [2022-11-16 12:22:33,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:22:33,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:22:33,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:33,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:22:38,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:22:38,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:22:38,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:38,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:38,938 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:38,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-11-16 12:22:38,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:38,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:38,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:38,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:38,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:38,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:38,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:38,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:38,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:38,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Forceful destruction successful, exit code 0 [2022-11-16 12:22:38,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:38,960 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:38,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-11-16 12:22:38,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:38,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:38,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:38,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:38,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:38,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:38,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:38,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:38,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:38,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Ended with exit code 0 [2022-11-16 12:22:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:38,983 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:38,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-11-16 12:22:38,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:38,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:38,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:38,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:38,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Ended with exit code 0 [2022-11-16 12:22:39,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,009 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-11-16 12:22:39,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Ended with exit code 0 [2022-11-16 12:22:39,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,031 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-11-16 12:22:39,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2022-11-16 12:22:39,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,053 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-11-16 12:22:39,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2022-11-16 12:22:39,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,076 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-11-16 12:22:39,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2022-11-16 12:22:39,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,102 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-11-16 12:22:39,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2022-11-16 12:22:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,124 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-11-16 12:22:39,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2022-11-16 12:22:39,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,147 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-11-16 12:22:39,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2022-11-16 12:22:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,174 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-11-16 12:22:39,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2022-11-16 12:22:39,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,200 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-11-16 12:22:39,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2022-11-16 12:22:39,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,226 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-11-16 12:22:39,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:22:39,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:22:39,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:22:39,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2022-11-16 12:22:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,249 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-11-16 12:22:39,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Ended with exit code 0 [2022-11-16 12:22:39,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,276 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-11-16 12:22:39,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Ended with exit code 0 [2022-11-16 12:22:39,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,308 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2022-11-16 12:22:39,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Ended with exit code 0 [2022-11-16 12:22:39,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,340 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2022-11-16 12:22:39,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Ended with exit code 0 [2022-11-16 12:22:39,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,372 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2022-11-16 12:22:39,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:22:39,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Ended with exit code 0 [2022-11-16 12:22:39,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,404 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2022-11-16 12:22:39,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:22:39,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:22:39,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:22:39,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:22:39,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:22:39,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:22:39,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:22:39,436 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:22:39,454 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:22:39,454 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-16 12:22:39,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:39,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:39,456 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2022-11-16 12:22:39,459 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:22:39,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:22:39,472 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:22:39,473 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2 Supporting invariants [] [2022-11-16 12:22:39,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Ended with exit code 0 [2022-11-16 12:22:39,606 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-16 12:22:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:39,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:22:39,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:40,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:22:40,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:40,286 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:22:40,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:40,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-16 12:22:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:22:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:22:40,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-16 12:22:40,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:22:40,338 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:22:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:40,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:22:40,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:40,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Ended with exit code 0 [2022-11-16 12:22:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:40,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:22:40,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:41,031 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:22:41,031 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:41,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-16 12:22:41,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:22:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:22:41,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-16 12:22:41,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:22:41,078 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:22:41,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:41,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 12:22:41,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:41,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:22:41,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:41,824 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-16 12:22:41,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:42,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 150 states and 193 transitions. Complement of second has 32 states. [2022-11-16 12:22:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:22:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 99 transitions. [2022-11-16 12:22:42,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-16 12:22:42,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:22:42,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 110 letters. Loop has 2 letters. [2022-11-16 12:22:42,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:22:42,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 4 letters. [2022-11-16 12:22:42,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:22:42,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2022-11-16 12:22:42,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:42,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 145 states and 186 transitions. [2022-11-16 12:22:42,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:22:42,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:22:42,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 186 transitions. [2022-11-16 12:22:42,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:22:42,391 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 186 transitions. [2022-11-16 12:22:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 186 transitions. [2022-11-16 12:22:42,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2022-11-16 12:22:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2248062015503876) internal successors, (158), 128 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2022-11-16 12:22:42,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-16 12:22:42,395 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-16 12:22:42,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2022-11-16 12:22:42,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 158 transitions. [2022-11-16 12:22:42,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:42,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:22:42,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:22:42,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:42,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:22:42,398 INFO L748 eck$LassoCheckResult]: Stem: 34548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34549#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 34561#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 34568#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 34562#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 34563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34564#L521 assume !(main_~val~0#1 < 0); 34566#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34559#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34560#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34565#L521 assume !(main_~val~0#1 < 0); 34557#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34558#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34614#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34613#L521 assume !(main_~val~0#1 < 0); 34612#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34611#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34610#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34609#L521 assume !(main_~val~0#1 < 0); 34608#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34607#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34606#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34605#L521 assume !(main_~val~0#1 < 0); 34604#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34603#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34602#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34601#L521 assume !(main_~val~0#1 < 0); 34600#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34599#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34598#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34597#L521 assume !(main_~val~0#1 < 0); 34596#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34595#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34594#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34593#L521 assume !(main_~val~0#1 < 0); 34592#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34591#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34590#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34589#L521 assume !(main_~val~0#1 < 0); 34588#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34587#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34586#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34585#L521 assume !(main_~val~0#1 < 0); 34584#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34583#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34582#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34581#L521 assume !(main_~val~0#1 < 0); 34580#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34579#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34578#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34577#L521 assume !(main_~val~0#1 < 0); 34576#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34575#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34574#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34571#L521 assume !(main_~val~0#1 < 0); 34573#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34572#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34570#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 34569#L519-4 main_~j~0#1 := 0; 34554#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34555#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34673#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34672#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34556#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34553#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34567#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34546#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34547#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34670#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34669#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34668#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34667#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34665#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34664#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34663#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34662#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34660#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34659#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34658#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34657#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34655#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34654#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34653#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34652#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34650#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34649#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34648#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34647#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34645#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34644#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34643#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34642#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34640#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34639#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34638#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34637#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34635#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34634#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34633#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34632#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34630#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34629#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34628#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34627#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34625#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34624#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34623#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34622#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34621#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34618#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34617#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34615#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34551#L527-3 [2022-11-16 12:22:42,398 INFO L750 eck$LassoCheckResult]: Loop: 34551#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34550#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 34551#L527-3 [2022-11-16 12:22:42,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:42,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1030968841, now seen corresponding path program 35 times [2022-11-16 12:22:42,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:42,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773579861] [2022-11-16 12:22:42,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 276 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:43,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:43,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773579861] [2022-11-16 12:22:43,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773579861] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:22:43,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793843362] [2022-11-16 12:22:43,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:22:43,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:22:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:43,359 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:22:43,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (367)] Waiting until timeout for monitored process [2022-11-16 12:22:43,886 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-11-16 12:22:43,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:22:43,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-16 12:22:43,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:22:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:44,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:22:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:45,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793843362] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:22:45,327 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:22:45,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2022-11-16 12:22:45,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072688010] [2022-11-16 12:22:45,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:22:45,328 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:22:45,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:45,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 35 times [2022-11-16 12:22:45,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:45,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900005216] [2022-11-16 12:22:45,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:45,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:45,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:45,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:45,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-16 12:22:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2022-11-16 12:22:45,394 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 47 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:46,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:46,204 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2022-11-16 12:22:46,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 247 transitions. [2022-11-16 12:22:46,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:46,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 136 states and 167 transitions. [2022-11-16 12:22:46,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:22:46,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:22:46,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 167 transitions. [2022-11-16 12:22:46,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:22:46,207 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 167 transitions. [2022-11-16 12:22:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 167 transitions. [2022-11-16 12:22:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-16 12:22:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 132 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2022-11-16 12:22:46,211 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-16 12:22:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 12:22:46,211 INFO L428 stractBuchiCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-16 12:22:46,211 INFO L335 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2022-11-16 12:22:46,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 163 transitions. [2022-11-16 12:22:46,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:46,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:22:46,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:22:46,213 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:46,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:22:46,214 INFO L748 eck$LassoCheckResult]: Stem: 35630#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 35637#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 35643#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 35638#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 35639#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35640#L521 assume !(main_~val~0#1 < 0); 35634#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35635#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35636#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35641#L521 assume !(main_~val~0#1 < 0); 35756#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35755#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35754#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35753#L521 assume !(main_~val~0#1 < 0); 35752#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35751#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35750#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35749#L521 assume !(main_~val~0#1 < 0); 35748#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35747#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35746#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35745#L521 assume !(main_~val~0#1 < 0); 35744#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35743#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35742#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35741#L521 assume !(main_~val~0#1 < 0); 35740#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35739#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35738#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35737#L521 assume !(main_~val~0#1 < 0); 35736#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35735#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35734#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35733#L521 assume !(main_~val~0#1 < 0); 35732#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35731#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35730#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35729#L521 assume !(main_~val~0#1 < 0); 35728#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35727#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35726#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35725#L521 assume !(main_~val~0#1 < 0); 35724#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35723#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35722#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35721#L521 assume !(main_~val~0#1 < 0); 35720#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35719#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35718#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35717#L521 assume !(main_~val~0#1 < 0); 35716#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35715#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35714#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35713#L521 assume !(main_~val~0#1 < 0); 35712#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35711#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35710#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35646#L521 assume !(main_~val~0#1 < 0); 35652#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35649#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35645#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 35644#L519-4 main_~j~0#1 := 0; 35632#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35629#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35642#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35624#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35625#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35633#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35708#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35707#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35706#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35704#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35703#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35702#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35701#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35699#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35698#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35697#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35696#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35694#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35693#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35692#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35691#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35689#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35688#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35687#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35686#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35684#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35683#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35682#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35681#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35679#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35678#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35677#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35676#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35674#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35673#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35672#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35671#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35669#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35668#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35667#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35666#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35664#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35663#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35662#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35661#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35659#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35658#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35657#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35656#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35655#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35651#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35650#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35647#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35627#L527-3 [2022-11-16 12:22:46,214 INFO L750 eck$LassoCheckResult]: Loop: 35627#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35626#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 35627#L527-3 [2022-11-16 12:22:46,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:46,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1613328130, now seen corresponding path program 36 times [2022-11-16 12:22:46,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:46,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459452306] [2022-11-16 12:22:46,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:46,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 36 times [2022-11-16 12:22:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:46,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436328310] [2022-11-16 12:22:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:46,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:46,343 INFO L85 PathProgramCache]: Analyzing trace with hash -74859385, now seen corresponding path program 22 times [2022-11-16 12:22:46,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:46,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317973986] [2022-11-16 12:22:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:46,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:46,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:23:41,602 WARN L233 SmtUtils]: Spent 55.07s on a formula simplification. DAG size of input: 508 DAG size of output: 386 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:23:43,921 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:23:43,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:23:43,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:23:43,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:23:43,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:23:43,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:43,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:23:43,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:23:43,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration39_Lasso [2022-11-16 12:23:43,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:23:43,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:23:43,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:43,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:43,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:43,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:43,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:48,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:23:49,998 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:23:49,998 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:23:49,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,003 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Waiting until timeout for monitored process [2022-11-16 12:23:50,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:23:50,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:23:50,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:23:50,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,050 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2022-11-16 12:23:50,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,106 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2022-11-16 12:23:50,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,158 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2022-11-16 12:23:50,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,203 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2022-11-16 12:23:50,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Ended with exit code 0 [2022-11-16 12:23:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,248 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2022-11-16 12:23:50,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Ended with exit code 0 [2022-11-16 12:23:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,285 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2022-11-16 12:23:50,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Ended with exit code 0 [2022-11-16 12:23:50,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,326 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2022-11-16 12:23:50,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Ended with exit code 0 [2022-11-16 12:23:50,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,352 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2022-11-16 12:23:50,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,390 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Waiting until timeout for monitored process [2022-11-16 12:23:50,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Ended with exit code 0 [2022-11-16 12:23:50,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,432 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Waiting until timeout for monitored process [2022-11-16 12:23:50,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Ended with exit code 0 [2022-11-16 12:23:50,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,464 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Waiting until timeout for monitored process [2022-11-16 12:23:50,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Ended with exit code 0 [2022-11-16 12:23:50,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,493 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Waiting until timeout for monitored process [2022-11-16 12:23:50,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Ended with exit code 0 [2022-11-16 12:23:50,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,534 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Waiting until timeout for monitored process [2022-11-16 12:23:50,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:23:50,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Ended with exit code 0 [2022-11-16 12:23:50,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,570 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Waiting until timeout for monitored process [2022-11-16 12:23:50,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:23:50,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:23:50,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:23:50,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:23:50,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:23:50,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:23:50,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:23:50,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:23:50,624 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:23:50,624 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-16 12:23:50,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:23:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:50,629 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Waiting until timeout for monitored process [2022-11-16 12:23:50,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:23:50,654 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:23:50,654 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:23:50,654 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13 Supporting invariants [] [2022-11-16 12:23:50,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:50,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Forceful destruction successful, exit code 0 [2022-11-16 12:23:51,008 INFO L156 tatePredicateManager]: 46 out of 47 supporting invariants were superfluous and have been removed [2022-11-16 12:23:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:51,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-16 12:23:51,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:52,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:23:52,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:52,791 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-16 12:23:52,791 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:53,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-16 12:23:53,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:23:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-16 12:23:53,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-16 12:23:53,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:23:53,867 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:23:53,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:54,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-16 12:23:54,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:55,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:23:55,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:55,716 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-16 12:23:55,716 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:56,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-16 12:23:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:23:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-16 12:23:56,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-16 12:23:56,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:23:56,464 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:23:56,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:56,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-16 12:23:56,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:58,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:23:58,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:23:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:58,118 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-16 12:23:58,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:00,147 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 254 states and 331 transitions. Complement of second has 50 states. [2022-11-16 12:24:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 34 states 30 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:24:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 188 transitions. [2022-11-16 12:24:00,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-16 12:24:00,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:00,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 118 letters. Loop has 2 letters. [2022-11-16 12:24:00,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:00,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 4 letters. [2022-11-16 12:24:00,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:00,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 254 states and 331 transitions. [2022-11-16 12:24:00,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:24:00,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 254 states to 249 states and 324 transitions. [2022-11-16 12:24:00,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:24:00,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:24:00,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-11-16 12:24:00,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:24:00,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-11-16 12:24:00,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-11-16 12:24:00,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2022-11-16 12:24:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2291666666666667) internal successors, (177), 143 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2022-11-16 12:24:00,160 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-16 12:24:00,160 INFO L428 stractBuchiCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-16 12:24:00,160 INFO L335 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2022-11-16 12:24:00,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 177 transitions. [2022-11-16 12:24:00,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:00,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:00,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:00,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:00,163 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:24:00,163 INFO L748 eck$LassoCheckResult]: Stem: 37811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 37822#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 37829#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 37823#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 37824#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37825#L521 assume !(main_~val~0#1 < 0); 37819#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37826#L521 assume !(main_~val~0#1 < 0); 37827#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37881#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37880#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37879#L521 assume !(main_~val~0#1 < 0); 37878#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37877#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37876#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37875#L521 assume !(main_~val~0#1 < 0); 37874#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37873#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37871#L521 assume !(main_~val~0#1 < 0); 37870#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37869#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37868#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37867#L521 assume !(main_~val~0#1 < 0); 37866#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37865#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37864#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37863#L521 assume !(main_~val~0#1 < 0); 37862#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37861#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37860#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37859#L521 assume !(main_~val~0#1 < 0); 37858#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37857#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37856#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37855#L521 assume !(main_~val~0#1 < 0); 37854#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37853#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37852#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37851#L521 assume !(main_~val~0#1 < 0); 37850#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37849#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37848#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37847#L521 assume !(main_~val~0#1 < 0); 37846#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37845#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37844#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37843#L521 assume !(main_~val~0#1 < 0); 37842#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37841#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37840#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37839#L521 assume !(main_~val~0#1 < 0); 37838#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37837#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37836#L521 assume !(main_~val~0#1 < 0); 37952#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37951#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37950#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 37949#L519-4 main_~j~0#1 := 0; 37948#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37946#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37945#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37944#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37818#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37816#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37828#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37809#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37810#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37942#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37941#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37940#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37939#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37937#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37936#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37935#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37934#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37932#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37931#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37930#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37929#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37927#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37926#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37925#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37924#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37922#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37921#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37920#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37919#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37917#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37916#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37915#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37914#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37912#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37911#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37910#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37909#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37907#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37906#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37905#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37904#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37902#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37901#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37900#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37899#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37897#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37896#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37895#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37894#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37890#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37889#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37888#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37885#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37884#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37882#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37814#L527-3 [2022-11-16 12:24:00,163 INFO L750 eck$LassoCheckResult]: Loop: 37814#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37813#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 37814#L527-3 [2022-11-16 12:24:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:00,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1074574935, now seen corresponding path program 37 times [2022-11-16 12:24:00,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:00,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150154309] [2022-11-16 12:24:00,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 325 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:01,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:01,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150154309] [2022-11-16 12:24:01,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150154309] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:24:01,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445071039] [2022-11-16 12:24:01,407 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 12:24:01,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:24:01,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:01,419 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:24:01,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (384)] Waiting until timeout for monitored process [2022-11-16 12:24:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:01,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:24:01,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:02,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:24:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:03,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445071039] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:24:03,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:24:03,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2022-11-16 12:24:03,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873659429] [2022-11-16 12:24:03,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:24:03,722 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:24:03,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:03,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 37 times [2022-11-16 12:24:03,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:03,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339547927] [2022-11-16 12:24:03,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:03,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:03,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:03,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:03,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-16 12:24:03,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2022-11-16 12:24:03,800 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. cyclomatic complexity: 50 Second operand has 50 states, 49 states have (on average 3.836734693877551) internal successors, (188), 50 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:04,747 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions. [2022-11-16 12:24:04,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 258 transitions. [2022-11-16 12:24:04,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:04,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 140 states and 172 transitions. [2022-11-16 12:24:04,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:24:04,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:24:04,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 172 transitions. [2022-11-16 12:24:04,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:24:04,751 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 172 transitions. [2022-11-16 12:24:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 172 transitions. [2022-11-16 12:24:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-16 12:24:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2262773722627738) internal successors, (168), 136 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2022-11-16 12:24:04,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-16 12:24:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 12:24:04,756 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-16 12:24:04,756 INFO L335 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2022-11-16 12:24:04,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 168 transitions. [2022-11-16 12:24:04,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:04,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:04,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:04,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:04,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:24:04,759 INFO L748 eck$LassoCheckResult]: Stem: 38970#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38971#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 38977#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 38983#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 38978#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 38979#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38980#L521 assume !(main_~val~0#1 < 0); 38974#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38975#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38976#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38981#L521 assume !(main_~val~0#1 < 0); 39100#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39099#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39098#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39097#L521 assume !(main_~val~0#1 < 0); 39096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39095#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39094#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39093#L521 assume !(main_~val~0#1 < 0); 39092#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39091#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39090#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39089#L521 assume !(main_~val~0#1 < 0); 39088#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39087#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39086#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39085#L521 assume !(main_~val~0#1 < 0); 39084#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39083#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39082#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39081#L521 assume !(main_~val~0#1 < 0); 39080#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39079#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39078#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39077#L521 assume !(main_~val~0#1 < 0); 39076#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39075#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39074#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39073#L521 assume !(main_~val~0#1 < 0); 39072#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39071#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39070#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39069#L521 assume !(main_~val~0#1 < 0); 39068#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39067#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39066#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39065#L521 assume !(main_~val~0#1 < 0); 39064#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39063#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39062#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39061#L521 assume !(main_~val~0#1 < 0); 39060#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39059#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39058#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39057#L521 assume !(main_~val~0#1 < 0); 39056#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39055#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39054#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39053#L521 assume !(main_~val~0#1 < 0); 39052#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39051#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39050#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38986#L521 assume !(main_~val~0#1 < 0); 38992#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38989#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38985#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 38984#L519-4 main_~j~0#1 := 0; 38972#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38982#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38964#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38965#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38973#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39048#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39047#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39046#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39044#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39043#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39042#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39041#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39039#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39038#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39037#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39036#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39034#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39033#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39032#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39031#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39029#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39028#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39027#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39026#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39024#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39023#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39022#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39021#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39019#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39018#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39017#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39016#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39014#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39013#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39012#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39011#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39009#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39008#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39007#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39004#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39003#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39002#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38999#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38998#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38997#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38996#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38995#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38991#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38990#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38987#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38967#L527-3 [2022-11-16 12:24:04,760 INFO L750 eck$LassoCheckResult]: Loop: 38967#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38966#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 38967#L527-3 [2022-11-16 12:24:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:04,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1748475013, now seen corresponding path program 38 times [2022-11-16 12:24:04,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:04,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077854612] [2022-11-16 12:24:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:04,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:04,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:04,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:04,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 38 times [2022-11-16 12:24:04,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:04,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746318954] [2022-11-16 12:24:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:04,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:04,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:04,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash -952273216, now seen corresponding path program 23 times [2022-11-16 12:24:04,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:04,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957511974] [2022-11-16 12:24:04,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:25:10,487 WARN L233 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 527 DAG size of output: 398 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:25:14,647 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:25:14,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:25:14,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:25:14,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:25:14,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:25:14,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:14,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:25:14,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:25:14,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration41_Lasso [2022-11-16 12:25:14,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:25:14,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:25:14,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:14,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:14,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:14,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:14,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,242 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,243 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:25:17,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:25:17,926 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:25:17,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:17,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:17,930 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:17,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Waiting until timeout for monitored process [2022-11-16 12:25:17,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:17,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:17,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:25:17,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:17,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:17,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:17,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:25:17,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:25:17,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:17,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Ended with exit code 0 [2022-11-16 12:25:17,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:17,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:17,948 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Waiting until timeout for monitored process [2022-11-16 12:25:17,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:17,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:17,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:17,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:17,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:17,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:17,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:17,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:17,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Ended with exit code 0 [2022-11-16 12:25:17,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:17,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:17,972 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:17,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Waiting until timeout for monitored process [2022-11-16 12:25:17,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:17,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:17,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:25:17,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:17,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:17,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:17,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:25:17,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:25:17,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:17,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Ended with exit code 0 [2022-11-16 12:25:17,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:17,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:17,992 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:17,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Waiting until timeout for monitored process [2022-11-16 12:25:17,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Ended with exit code 0 [2022-11-16 12:25:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,014 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Waiting until timeout for monitored process [2022-11-16 12:25:18,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:18,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,037 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Waiting until timeout for monitored process [2022-11-16 12:25:18,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Ended with exit code 0 [2022-11-16 12:25:18,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,063 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Waiting until timeout for monitored process [2022-11-16 12:25:18,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Ended with exit code 0 [2022-11-16 12:25:18,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,089 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Waiting until timeout for monitored process [2022-11-16 12:25:18,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Ended with exit code 0 [2022-11-16 12:25:18,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,119 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Waiting until timeout for monitored process [2022-11-16 12:25:18,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Ended with exit code 0 [2022-11-16 12:25:18,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,143 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Waiting until timeout for monitored process [2022-11-16 12:25:18,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Ended with exit code 0 [2022-11-16 12:25:18,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,192 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Waiting until timeout for monitored process [2022-11-16 12:25:18,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Ended with exit code 0 [2022-11-16 12:25:18,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,221 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Waiting until timeout for monitored process [2022-11-16 12:25:18,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Ended with exit code 0 [2022-11-16 12:25:18,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,247 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Waiting until timeout for monitored process [2022-11-16 12:25:18,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Ended with exit code 0 [2022-11-16 12:25:18,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,274 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Waiting until timeout for monitored process [2022-11-16 12:25:18,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Ended with exit code 0 [2022-11-16 12:25:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,298 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Waiting until timeout for monitored process [2022-11-16 12:25:18,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:25:18,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Ended with exit code 0 [2022-11-16 12:25:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,328 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Waiting until timeout for monitored process [2022-11-16 12:25:18,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:25:18,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:25:18,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:25:18,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:25:18,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:25:18,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:25:18,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:25:18,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:25:18,366 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:25:18,366 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:25:18,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:25:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:18,368 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:25:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Waiting until timeout for monitored process [2022-11-16 12:25:18,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:25:18,382 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:25:18,383 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:25:18,383 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-16 12:25:18,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Ended with exit code 0 [2022-11-16 12:25:18,469 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-16 12:25:18,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:18,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-16 12:25:18,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:25:19,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:19,137 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-16 12:25:19,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:19,180 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-16 12:25:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:25:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:25:19,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-16 12:25:19,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:25:19,181 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:25:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:19,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-16 12:25:19,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:19,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:25:19,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:19,862 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-16 12:25:19,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:19,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-16 12:25:19,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:25:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:19,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:25:19,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-16 12:25:19,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:25:19,907 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:25:19,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:20,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-16 12:25:20,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:20,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Ended with exit code 0 [2022-11-16 12:25:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:20,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:25:20,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:20,613 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-16 12:25:20,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:21,212 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 164 states and 211 transitions. Complement of second has 34 states. [2022-11-16 12:25:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 15 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:25:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 105 transitions. [2022-11-16 12:25:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-16 12:25:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:25:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 122 letters. Loop has 2 letters. [2022-11-16 12:25:21,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:25:21,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 4 letters. [2022-11-16 12:25:21,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:25:21,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 211 transitions. [2022-11-16 12:25:21,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:25:21,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 159 states and 204 transitions. [2022-11-16 12:25:21,219 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:25:21,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:25:21,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 204 transitions. [2022-11-16 12:25:21,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:25:21,220 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-11-16 12:25:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 204 transitions. [2022-11-16 12:25:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2022-11-16 12:25:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 141 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2022-11-16 12:25:21,224 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-16 12:25:21,224 INFO L428 stractBuchiCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-16 12:25:21,224 INFO L335 stractBuchiCegarLoop]: ======== Iteration 42 ============ [2022-11-16 12:25:21,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 174 transitions. [2022-11-16 12:25:21,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:25:21,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:25:21,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:25:21,226 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:21,227 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:25:21,227 INFO L748 eck$LassoCheckResult]: Stem: 40848#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 40849#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 40856#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 40863#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 40857#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 40858#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40859#L521 assume !(main_~val~0#1 < 0); 40853#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40854#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40855#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40860#L521 assume !(main_~val~0#1 < 0); 40861#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40918#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40917#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40916#L521 assume !(main_~val~0#1 < 0); 40915#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40914#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40913#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40912#L521 assume !(main_~val~0#1 < 0); 40911#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40910#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40909#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40908#L521 assume !(main_~val~0#1 < 0); 40907#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40906#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40905#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40904#L521 assume !(main_~val~0#1 < 0); 40903#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40902#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40901#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40900#L521 assume !(main_~val~0#1 < 0); 40899#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40898#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40897#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40896#L521 assume !(main_~val~0#1 < 0); 40895#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40894#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40892#L521 assume !(main_~val~0#1 < 0); 40891#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40890#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40889#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40888#L521 assume !(main_~val~0#1 < 0); 40887#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40886#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40885#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40884#L521 assume !(main_~val~0#1 < 0); 40883#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40882#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40881#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40880#L521 assume !(main_~val~0#1 < 0); 40879#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40878#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40877#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40876#L521 assume !(main_~val~0#1 < 0); 40875#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40874#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40873#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40872#L521 assume !(main_~val~0#1 < 0); 40871#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40870#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40869#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40866#L521 assume !(main_~val~0#1 < 0); 40868#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40867#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40865#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 40864#L519-4 main_~j~0#1 := 0; 40850#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40851#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40982#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40981#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40852#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40847#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40862#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40842#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40843#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40979#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40978#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40977#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40976#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40974#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40973#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40972#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40971#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40968#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40967#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40966#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40964#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40963#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40962#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40961#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40959#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40958#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40957#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40956#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40954#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40953#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40952#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40951#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40949#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40948#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40947#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40946#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40944#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40943#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40942#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40941#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40939#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40938#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40937#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40936#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40934#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40933#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40932#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40931#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40929#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40928#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40927#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40926#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40925#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40922#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40921#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40919#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40845#L527-3 [2022-11-16 12:25:21,227 INFO L750 eck$LassoCheckResult]: Loop: 40845#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40844#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 40845#L527-3 [2022-11-16 12:25:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -306526640, now seen corresponding path program 39 times [2022-11-16 12:25:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:21,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725082065] [2022-11-16 12:25:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:25:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:25:21,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:21,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 39 times [2022-11-16 12:25:21,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:21,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529229780] [2022-11-16 12:25:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:25:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:25:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1780643925, now seen corresponding path program 24 times [2022-11-16 12:25:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:21,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562671786] [2022-11-16 12:25:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:25:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:21,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:12,362 WARN L233 SmtUtils]: Spent 50.79s on a formula simplification. DAG size of input: 541 DAG size of output: 411 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:26:19,210 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:26:19,214 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:26:19,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:26:19,214 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:26:19,214 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:26:19,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:26:19,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:19,215 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:26:19,215 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:26:19,215 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration42_Lasso [2022-11-16 12:26:19,215 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:26:19,215 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:26:19,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:19,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:30,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:31,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:26:31,584 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:26:31,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,587 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Waiting until timeout for monitored process [2022-11-16 12:26:31,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:31,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:31,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:31,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,603 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Waiting until timeout for monitored process [2022-11-16 12:26:31,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Ended with exit code 0 [2022-11-16 12:26:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,623 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Waiting until timeout for monitored process [2022-11-16 12:26:31,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,644 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Waiting until timeout for monitored process [2022-11-16 12:26:31,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:31,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:31,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:31,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Ended with exit code 0 [2022-11-16 12:26:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,662 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Waiting until timeout for monitored process [2022-11-16 12:26:31,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:31,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:31,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:31,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,680 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Waiting until timeout for monitored process [2022-11-16 12:26:31,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:31,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:31,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:31,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Ended with exit code 0 [2022-11-16 12:26:31,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,698 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Waiting until timeout for monitored process [2022-11-16 12:26:31,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:31,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:31,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:31,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,715 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Waiting until timeout for monitored process [2022-11-16 12:26:31,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Ended with exit code 0 [2022-11-16 12:26:31,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,736 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Waiting until timeout for monitored process [2022-11-16 12:26:31,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Ended with exit code 0 [2022-11-16 12:26:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,762 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Waiting until timeout for monitored process [2022-11-16 12:26:31,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,784 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Waiting until timeout for monitored process [2022-11-16 12:26:31,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:31,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,811 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Waiting until timeout for monitored process [2022-11-16 12:26:31,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Ended with exit code 0 [2022-11-16 12:26:31,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,834 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Waiting until timeout for monitored process [2022-11-16 12:26:31,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Ended with exit code 0 [2022-11-16 12:26:31,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,856 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Waiting until timeout for monitored process [2022-11-16 12:26:31,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:31,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Ended with exit code 0 [2022-11-16 12:26:31,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,878 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Waiting until timeout for monitored process [2022-11-16 12:26:31,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:31,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:31,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:31,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:31,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:31,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:31,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:31,903 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:26:31,916 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:26:31,916 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-16 12:26:31,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:31,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:31,919 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:31,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Waiting until timeout for monitored process [2022-11-16 12:26:31,920 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:26:31,931 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:26:31,931 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:26:31,931 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-16 12:26:31,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Ended with exit code 0 [2022-11-16 12:26:32,018 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-16 12:26:32,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:32,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:26:32,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:32,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:26:32,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:32,593 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:26:32,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:32,633 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-16 12:26:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:26:32,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:26:32,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-16 12:26:32,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:32,634 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:26:32,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:32,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:26:32,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:32,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:33,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:26:33,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:33,249 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:26:33,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:33,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-16 12:26:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:26:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 12:26:33,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-16 12:26:33,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:33,285 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:26:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:33,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 12:26:33,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:33,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:26:33,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:33,879 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-16 12:26:33,879 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 170 states and 219 transitions. Complement of second has 36 states. [2022-11-16 12:26:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:26:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-16 12:26:34,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-16 12:26:34,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:34,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 126 letters. Loop has 2 letters. [2022-11-16 12:26:34,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:34,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 4 letters. [2022-11-16 12:26:34,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:34,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 219 transitions. [2022-11-16 12:26:34,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:26:34,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 165 states and 212 transitions. [2022-11-16 12:26:34,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:26:34,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:26:34,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 212 transitions. [2022-11-16 12:26:34,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:26:34,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 212 transitions. [2022-11-16 12:26:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 212 transitions. [2022-11-16 12:26:34,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2022-11-16 12:26:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 146 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-16 12:26:34,548 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-16 12:26:34,548 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-16 12:26:34,548 INFO L335 stractBuchiCegarLoop]: ======== Iteration 43 ============ [2022-11-16 12:26:34,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-16 12:26:34,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:26:34,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:34,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:34,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:34,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:34,550 INFO L748 eck$LassoCheckResult]: Stem: 42793#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42794#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 42802#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 42809#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 42803#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 42804#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42805#L521 assume !(main_~val~0#1 < 0); 42807#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42800#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42801#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42806#L521 assume !(main_~val~0#1 < 0); 42798#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42799#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42863#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42862#L521 assume !(main_~val~0#1 < 0); 42861#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42860#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42859#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42858#L521 assume !(main_~val~0#1 < 0); 42857#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42856#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42855#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42854#L521 assume !(main_~val~0#1 < 0); 42853#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42852#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42851#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42850#L521 assume !(main_~val~0#1 < 0); 42849#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42848#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42847#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42846#L521 assume !(main_~val~0#1 < 0); 42845#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42844#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42843#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42842#L521 assume !(main_~val~0#1 < 0); 42841#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42840#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42839#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42838#L521 assume !(main_~val~0#1 < 0); 42837#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42836#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42834#L521 assume !(main_~val~0#1 < 0); 42833#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42832#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42831#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42830#L521 assume !(main_~val~0#1 < 0); 42829#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42828#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42827#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42826#L521 assume !(main_~val~0#1 < 0); 42825#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42824#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42822#L521 assume !(main_~val~0#1 < 0); 42821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42819#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42818#L521 assume !(main_~val~0#1 < 0); 42817#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42816#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42815#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42812#L521 assume !(main_~val~0#1 < 0); 42814#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42813#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42811#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 42810#L519-4 main_~j~0#1 := 0; 42795#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42796#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42932#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42931#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42797#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42792#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42808#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42787#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42788#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42929#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42928#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42927#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42926#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42924#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42923#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42922#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42921#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42919#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42918#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42917#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42916#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42914#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42913#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42912#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42911#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42909#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42908#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42907#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42906#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42904#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42903#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42902#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42901#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42899#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42898#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42897#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42896#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42894#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42893#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42892#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42891#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42889#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42888#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42887#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42886#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42884#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42883#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42882#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42881#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42878#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42877#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42876#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42874#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42873#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42872#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42871#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42867#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42866#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42864#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42790#L527-3 [2022-11-16 12:26:34,551 INFO L750 eck$LassoCheckResult]: Loop: 42790#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42789#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 42790#L527-3 [2022-11-16 12:26:34,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:34,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1801828005, now seen corresponding path program 40 times [2022-11-16 12:26:34,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:34,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569105583] [2022-11-16 12:26:34,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:34,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 378 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:35,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:35,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569105583] [2022-11-16 12:26:35,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569105583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:26:35,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486430821] [2022-11-16 12:26:35,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:26:35,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:26:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:35,561 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:26:35,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d722bb-762b-4423-affa-48c22754cf7f/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (418)] Waiting until timeout for monitored process [2022-11-16 12:26:35,841 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:26:35,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:26:35,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-16 12:26:35,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:36,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:26:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:37,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486430821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:26:37,312 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:26:37,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2022-11-16 12:26:37,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974028852] [2022-11-16 12:26:37,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:26:37,313 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:26:37,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 40 times [2022-11-16 12:26:37,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:37,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052625557] [2022-11-16 12:26:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:37,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:37,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:37,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:37,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-16 12:26:37,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2022-11-16 12:26:37,382 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.8461538461538463) internal successors, (200), 53 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:38,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:26:38,234 INFO L93 Difference]: Finished difference Result 231 states and 281 transitions. [2022-11-16 12:26:38,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 281 transitions. [2022-11-16 12:26:38,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:26:38,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 154 states and 189 transitions. [2022-11-16 12:26:38,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:26:38,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:26:38,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 189 transitions. [2022-11-16 12:26:38,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:26:38,236 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 189 transitions. [2022-11-16 12:26:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 189 transitions. [2022-11-16 12:26:38,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2022-11-16 12:26:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2251655629139073) internal successors, (185), 150 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2022-11-16 12:26:38,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-16 12:26:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 12:26:38,239 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-16 12:26:38,239 INFO L335 stractBuchiCegarLoop]: ======== Iteration 44 ============ [2022-11-16 12:26:38,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 185 transitions. [2022-11-16 12:26:38,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:26:38,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:38,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:38,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:38,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:38,242 INFO L748 eck$LassoCheckResult]: Stem: 44023#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 44024#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 44030#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 44036#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 44031#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 44032#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44033#L521 assume !(main_~val~0#1 < 0); 44027#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44028#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44029#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44034#L521 assume !(main_~val~0#1 < 0); 44167#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44166#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44165#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44164#L521 assume !(main_~val~0#1 < 0); 44163#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44162#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44161#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44160#L521 assume !(main_~val~0#1 < 0); 44159#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44158#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44157#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44156#L521 assume !(main_~val~0#1 < 0); 44155#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44154#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44153#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44152#L521 assume !(main_~val~0#1 < 0); 44151#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44150#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44149#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44148#L521 assume !(main_~val~0#1 < 0); 44147#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44146#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44145#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44144#L521 assume !(main_~val~0#1 < 0); 44143#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44142#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44141#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44140#L521 assume !(main_~val~0#1 < 0); 44139#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44138#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44137#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44136#L521 assume !(main_~val~0#1 < 0); 44135#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44134#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44133#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44132#L521 assume !(main_~val~0#1 < 0); 44131#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44130#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44129#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44128#L521 assume !(main_~val~0#1 < 0); 44127#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44126#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44125#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44124#L521 assume !(main_~val~0#1 < 0); 44123#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44122#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44121#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44120#L521 assume !(main_~val~0#1 < 0); 44119#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44118#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44117#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44116#L521 assume !(main_~val~0#1 < 0); 44115#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44114#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44113#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44039#L521 assume !(main_~val~0#1 < 0); 44045#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44042#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44038#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 44037#L519-4 main_~j~0#1 := 0; 44025#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44022#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44035#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44017#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44018#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44026#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44110#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44109#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44107#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44106#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44105#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44104#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44102#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44101#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44100#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44099#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44097#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44096#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44095#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44094#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44092#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44091#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44090#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44089#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44087#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44086#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44085#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44084#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44082#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44081#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44080#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44079#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44077#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44076#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44075#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44074#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44072#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44071#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44070#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44069#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44067#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44066#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44065#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44064#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44062#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44061#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44060#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44059#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44057#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44056#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44055#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44054#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44052#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44051#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44050#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44049#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44048#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44044#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44043#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44040#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44020#L527-3 [2022-11-16 12:26:38,242 INFO L750 eck$LassoCheckResult]: Loop: 44020#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44019#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 44020#L527-3 [2022-11-16 12:26:38,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:38,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1004225122, now seen corresponding path program 41 times [2022-11-16 12:26:38,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:38,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843503338] [2022-11-16 12:26:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:38,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:38,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 41 times [2022-11-16 12:26:38,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:38,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783417665] [2022-11-16 12:26:38,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:38,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:38,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1307300899, now seen corresponding path program 25 times [2022-11-16 12:26:38,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:38,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390008609] [2022-11-16 12:26:38,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:38,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:42,933 WARN L233 SmtUtils]: Spent 2.07m on a formula simplification. DAG size of input: 574 DAG size of output: 436 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:28:55,078 WARN L233 SmtUtils]: Spent 11.03s on a formula simplification that was a NOOP. DAG size: 223 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:28:55,083 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:28:55,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:28:55,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:28:55,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:28:55,083 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:28:55,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:55,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:28:55,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:28:55,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration44_Lasso [2022-11-16 12:28:55,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:28:55,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:28:55,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:55,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:55,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:55,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:55,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true